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== Quantum Cryptography Patent Application Filing Activity ==
== Quantum Cryptography Patent Application Filing Activity ==
== Quantum Cryptography patent applications in 2025 ==
== Quantum Cryptography patent applications in 2025 ==
[[File:Quantum_Cryptography_Monthly_Patent_Applications_2025_-_Up_to_February 2025.png|border|800px]]
[[File:Quantum_Cryptography_Monthly_Patent_Applications_2025_-_Up_to_May 2025.png|border|800px]]


== Top Technology Areas in Quantum Cryptography ==
== Top Technology Areas in Quantum Cryptography ==
[[File:Top_Technology_Areas_in_Quantum_Cryptography_2025_-_Up_to_February 2025.png|border|800px]]
[[File:Top_Technology_Areas_in_Quantum_Cryptography_2025_-_Up_to_May 2025.png|border|800px]]


=== Top CPC Codes ===
=== Top CPC Codes ===
* [[:Category:CPC_H04L9/0852|H04L9/0852]] (No explanation available)
* [[:Category:CPC_H04L9/0852|H04L9/0852]] ({Quantum cryptography  (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared)
** Count: 11 patents
** Count: 17 patents
** Example: [[20250038968. UNIVERSAL QUANTUM SECURE DEVICE, METHOD OF SENDING DATA AND METHOD OF RECEIVING DATA (MATRICTIME DIGITAL TECHNOLOGY CO., LTD)]]
** Example: [[20250119277. METHOD AND SYSTEM FOR SECURELY REPORTING AND STORING COMPUTER SECURITY PROFILES (Mastercard International Incorporated)]]
* [[:Category:CPC_H04L9/0869|H04L9/0869]] (No explanation available)
* [[:Category:CPC_H04L9/0858|H04L9/0858]] ({Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding})
** Count: 3 patents
** Count: 5 patents
** Example: [[20250039158. Encrypting E-mail and Other Digital Data (XQ Message Inc.)]]
** Example: [[20250119280. QUANTUM UNIQUE AUTHENTICATED CHAFF KEY (QUACK) (Wells Fargo Bank, N.A.)]]
* [[:Category:CPC_H04L9/0819|H04L9/0819]] (No explanation available)
* [[:Category:CPC_H04L9/0819|H04L9/0819]] ({Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)  (network architectures or network communication protocols for key distribution in a packet data network)
** Count: 5 patents
** Example: [[20250007702. QUANTUM KEY DISTRIBUTION SYSTEM TO OVERCOME INTERCEPT-RESEND AND DETECTOR-CONTROL QUANTUM HACKING (University of Central Florida Research Foundation, Inc.)]]
* [[:Category:CPC_H04L9/0869|H04L9/0869]] ({involving random numbers or seeds})
** Count: 4 patents
** Example: [[20250119279. ERROR MANAGEMENT FOR LONG DISTANCE QUANTUM KEY DISTRIBUTION AND SYMMETRICAL KEY DISTRIBUTION (Arizona Board of Regents on Behalf of Northern Arizona University)]]
* [[:Category:CPC_H04L9/14|H04L9/14]] (using a plurality of keys or algorithms)
** Count: 3 patents
** Count: 3 patents
** Example: [[20250007702. QUANTUM KEY DISTRIBUTION SYSTEM TO OVERCOME INTERCEPT-RESEND AND DETECTOR-CONTROL QUANTUM HACKING (University of Central Florida Research Foundation, Inc.)]]
** Example: [[20250119280. QUANTUM UNIQUE AUTHENTICATED CHAFF KEY (QUACK) (Wells Fargo Bank, N.A.)]]
* [[:Category:CPC_H04B10/70|H04B10/70]] (No explanation available)
* [[:Category:CPC_H04B10/70|H04B10/70]] (Photonic quantum communication)
** Count: 3 patents
** Count: 3 patents
** Example: [[20250080336. QUANTUM COMMUNICATION SYSTEM THAT SWITCHES BETWEEN QUANTUM KEY DISTRIBUTION (QKD) PROTOCOLS AND ASSOCIATED METHODS (Eagle Technology, LLC)]]
** Example: [[20250080336. QUANTUM COMMUNICATION SYSTEM THAT SWITCHES BETWEEN QUANTUM KEY DISTRIBUTION (QKD) PROTOCOLS AND ASSOCIATED METHODS (Eagle Technology, LLC)]]
* [[:Category:CPC_H04L63/0428|H04L63/0428]] (No explanation available)
* [[:Category:CPC_H04L63/0428|H04L63/0428]] ({wherein the data content is protected, e.g. by encrypting or encapsulating the payload})
** Count: 2 patents
** Count: 2 patents
** Example: [[20250038968. UNIVERSAL QUANTUM SECURE DEVICE, METHOD OF SENDING DATA AND METHOD OF RECEIVING DATA (MATRICTIME DIGITAL TECHNOLOGY CO., LTD)]]
** Example: [[20250038968. UNIVERSAL QUANTUM SECURE DEVICE, METHOD OF SENDING DATA AND METHOD OF RECEIVING DATA (MATRICTIME DIGITAL TECHNOLOGY CO., LTD)]]
* [[:Category:CPC_H04L63/0435|H04L63/0435]] (No explanation available)
* [[:Category:CPC_H04L63/0435|H04L63/0435]] ({for providing a confidential data exchange among entities communicating through data packet networks})
** Count: 2 patents
** Count: 2 patents
** Example: [[20250039158. Encrypting E-mail and Other Digital Data (XQ Message Inc.)]]
** Example: [[20250039158. Encrypting E-mail and Other Digital Data (XQ Message Inc.)]]
* [[:Category:CPC_H04L9/0858|H04L9/0858]] (No explanation available)
* [[:Category:CPC_H04L63/166|H04L63/166]] ({Implementing security features at a particular protocol layer})
** Count: 2 patents
** Example: [[20250007702. QUANTUM KEY DISTRIBUTION SYSTEM TO OVERCOME INTERCEPT-RESEND AND DETECTOR-CONTROL QUANTUM HACKING (University of Central Florida Research Foundation, Inc.)]]
* [[:Category:CPC_H04L63/166|H04L63/166]] (No explanation available)
** Count: 2 patents
** Count: 2 patents
** Example: [[20250023916. COMMUNICATION METHOD FOR QUANTUM SECURITY AND COMMUNICATION DEVICE SUPPORTING THE SAME (Samsung SDS Co., Ltd.)]]
** Example: [[20250023916. COMMUNICATION METHOD FOR QUANTUM SECURITY AND COMMUNICATION DEVICE SUPPORTING THE SAME (Samsung SDS Co., Ltd.)]]
* [[:Category:CPC_H04L9/14|H04L9/14]] (No explanation available)
* [[:Category:CPC_G06F21/602|G06F21/602]] ({Providing cryptographic facilities or services})
** Count: 2 patents
** Count: 2 patents
** Example: [[20250097031. INFORMATION PROCESSING DEVICE, QKD NETWORK SYSTEM, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT (KABUSHIKI KAISHA TOSHIBA)]]
** Example: [[20250139297. INLINE ENCRYPTOR ASIC (Rockwell Collins, Inc.)]]
* [[:Category:CPC_H04L9/0825|H04L9/0825]] (No explanation available)
** Count: 1 patents
** Example: [[20250038969. POST QUANTUM KEY ENCAPSULATION MECHANISM BASED SUCI ENCRYPTION (Nokia Technologies Oy)]]


== Top Companies in Quantum Cryptography 2025 ==
== Top Companies in Quantum Cryptography 2025 ==
[[File:Top_Companies_in_Quantum_Cryptography.png|border|800px]]
[[File:Top_Companies_in_Quantum_Cryptography.png|border|800px]]


=== [[:Category:Wells Fargo Bank, N.A.|Wells Fargo Bank, N.A.]] ===
* Number of Quantum Cryptography patents: 4
* Top CPC codes:
** [[:Category:CPC_H04L9/0858|H04L9/0858]] ({Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding}): 1 patents
** [[:Category:CPC_H04L9/14|H04L9/14]] (using a plurality of keys or algorithms): 1 patents
** [[:Category:CPC_H04L9/3242|H04L9/3242]] ({involving keyed hash functions, e.g. message authentication codes [MACs], CBC-MAC or HMAC}): 1 patents
* Recent patents:
** [[20250015980. SYSTEMS AND METHODS FOR SECURE KEY DISTRIBUTION VIA A DRONE MESH NETWORK (Wells Fargo Bank, N.A.)]] (20250109)
** [[20250103720. POST-QUANTUM CRYPTOGRAPHY RISK MODELING (Wells Fargo Bank, N.A.)]] (20250327)
** [[20250103737. STORAGE OF DATA INSTANCES WITH PROTECTED DATA FIELDS IN A DATA STORAGE (Wells Fargo Bank, N.A.)]] (20250327)
=== [[:Category:Nokia Technologies Oy|Nokia Technologies Oy]] ===
=== [[:Category:Nokia Technologies Oy|Nokia Technologies Oy]] ===
* Number of Quantum Cryptography patents: 2
* Number of Quantum Cryptography patents: 2
* Top CPC codes:
* Top CPC codes:
** [[:Category:CPC_H04L9/0852|H04L9/0852]] (No explanation available): 1 patents
** [[:Category:CPC_H04L9/0852|H04L9/0852]] ({Quantum cryptography  (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared): 1 patents
** [[:Category:CPC_H04L9/0825|H04L9/0825]] (No explanation available): 1 patents
** [[:Category:CPC_H04L9/0825|H04L9/0825]] ({using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates}): 1 patents
** [[:Category:CPC_H04W12/72|H04W12/72]] (No explanation available): 1 patents
** [[:Category:CPC_H04W12/72|H04W12/72]] (Subscriber identity): 1 patents
* Recent patents:
* Recent patents:
** [[20250038969. POST QUANTUM KEY ENCAPSULATION MECHANISM BASED SUCI ENCRYPTION (Nokia Technologies Oy)]] (20250130)
** [[20250038969. POST QUANTUM KEY ENCAPSULATION MECHANISM BASED SUCI ENCRYPTION (Nokia Technologies Oy)]] (20250130)
Line 53: Line 63:
* Number of Quantum Cryptography patents: 2
* Number of Quantum Cryptography patents: 2
* Top CPC codes:
* Top CPC codes:
** [[:Category:CPC_H04L9/14|H04L9/14]] (No explanation available): 2 patents
** [[:Category:CPC_H04L9/14|H04L9/14]] (using a plurality of keys or algorithms): 2 patents
** [[:Category:CPC_H04L9/0852|H04L9/0852]] (No explanation available): 1 patents
** [[:Category:CPC_H04L9/0852|H04L9/0852]] ({Quantum cryptography  (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared): 1 patents
** [[:Category:CPC_H04L9/0819|H04L9/0819]] (No explanation available): 1 patents
** [[:Category:CPC_H04L9/0819|H04L9/0819]] ({Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)  (network architectures or network communication protocols for key distribution in a packet data network): 1 patents
* Recent patents:
* Recent patents:
** [[20250097031. INFORMATION PROCESSING DEVICE, QKD NETWORK SYSTEM, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT (KABUSHIKI KAISHA TOSHIBA)]] (20250320)
** [[20250097031. INFORMATION PROCESSING DEVICE, QKD NETWORK SYSTEM, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT (KABUSHIKI KAISHA TOSHIBA)]] (20250320)
** [[20250088354. KEY MANAGEMENT SERVER DEVICE, QKD SYSTEM, AND KEY MANAGEMENT METHOD (KABUSHIKI KAISHA TOSHIBA)]] (20250313)
** [[20250088354. KEY MANAGEMENT SERVER DEVICE, QKD SYSTEM, AND KEY MANAGEMENT METHOD (KABUSHIKI KAISHA TOSHIBA)]] (20250313)
=== [[:Category:MATRICTIME DIGITAL TECHNOLOGY CO., LTD|MATRICTIME DIGITAL TECHNOLOGY CO., LTD]] ===
=== [[:Category:Ciena Corporation|Ciena Corporation]] ===
* Number of Quantum Cryptography patents: 1
* Number of Quantum Cryptography patents: 2
* Top CPC codes:
* Top CPC codes:
** [[:Category:CPC_H04L9/0852|H04L9/0852]] (No explanation available): 1 patents
** [[:Category:CPC_H04L9/0819|H04L9/0819]] ({Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)  (network architectures or network communication protocols for key distribution in a packet data network): 2 patents
** [[:Category:CPC_H04L63/0428|H04L63/0428]] (No explanation available): 1 patents
** [[:Category:CPC_H04L63/0428|H04L63/0428]] ({wherein the data content is protected, e.g. by encrypting or encapsulating the payload}): 1 patents
** [[:Category:CPC_H04L9/0852|H04L9/0852]] ({Quantum cryptography  (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared): 1 patents
* Recent patents:
* Recent patents:
** [[20250038968. UNIVERSAL QUANTUM SECURE DEVICE, METHOD OF SENDING DATA AND METHOD OF RECEIVING DATA (MATRICTIME DIGITAL TECHNOLOGY CO., LTD)]] (20250130)
** [[20250030667. AUTOMATIC SAE ID EXCHANGE FOR QUANTUM KEY DISTRIBUTION (QKD) CRYPTOGRAPHY (Ciena Corporation)]] (20250123)
=== [[:Category:Airbus SAS|Airbus SAS]] ===
** [[20250106012. Quantum key distribution in an optical network and quantum-secured optical channels (Ciena Corporation)]] (20250327)
=== [[:Category:Mastercard International Incorporated|Mastercard International Incorporated]] ===
* Number of Quantum Cryptography patents: 1
* Number of Quantum Cryptography patents: 1
* Top CPC codes:
* Top CPC codes:
** [[:Category:CPC_H04L9/0852|H04L9/0852]] (No explanation available): 1 patents
** [[:Category:CPC_H04L9/0852|H04L9/0852]] ({Quantum cryptography  (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared): 1 patents
** [[:Category:CPC_H04L9/0861|H04L9/0861]] (No explanation available): 1 patents
** [[:Category:CPC_H04L9/50|H04L9/50]] (TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION  (arrangements common to telegraphic and telephonic communication): 1 patents
* Recent patents:
* Recent patents:
** [[20250038970. QUANTUM KEY DISTRIBUTION (QKD) METHOD, QKD END-NODE AND QKD NETWORK (Airbus SAS)]] (20250130)
** [[20250119277. METHOD AND SYSTEM FOR SECURELY REPORTING AND STORING COMPUTER SECURITY PROFILES (Mastercard International Incorporated)]] (20250410)
=== [[:Category:XQ Message Inc.|XQ Message Inc.]] ===
=== [[:Category:Electronics and Telecommunications Research Institute|Electronics and Telecommunications Research Institute]] ===
* Number of Quantum Cryptography patents: 1
* Number of Quantum Cryptography patents: 1
* Top CPC codes:
* Top CPC codes:
** [[:Category:CPC_H04L63/0435|H04L63/0435]] (No explanation available): 1 patents
** [[:Category:CPC_H04L9/0852|H04L9/0852]] ({Quantum cryptography  (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared): 1 patents
** [[:Category:CPC_H04L9/083|H04L9/083]] (No explanation available): 1 patents
** [[:Category:CPC_H04L9/0894|H04L9/0894]] ({Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage}): 1 patents
** [[:Category:CPC_H04L9/0869|H04L9/0869]] (No explanation available): 1 patents
** [[:Category:CPC_H04L41/16|H04L41/16]] (using machine learning or artificial intelligence): 1 patents
* Recent patents:
* Recent patents:
** [[20250039158. Encrypting E-mail and Other Digital Data (XQ Message Inc.)]] (20250130)
** [[20250119278. METHOD FOR AUTONOMIC MANAGEMENT AND CONTROL IN QUANTUM KEY DISTRIBUTION NETWORK AND APPARATUS FOR THE SAME (Electronics and Telecommunications Research Institute)]] (20250410)
=== [[:Category:Quantum Optics Jena GmbH|Quantum Optics Jena GmbH]] ===
=== [[:Category:Arizona Board of Regents on Behalf of Northern Arizona University|Arizona Board of Regents on Behalf of Northern Arizona University]] ===
* Number of Quantum Cryptography patents: 1
* Number of Quantum Cryptography patents: 1
* Top CPC codes:
* Top CPC codes:
** [[:Category:CPC_H04L9/0852|H04L9/0852]] (No explanation available): 1 patents
** [[:Category:CPC_H04L9/0852|H04L9/0852]] ({Quantum cryptography  (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared): 1 patents
** [[:Category:CPC_H04L9/0869|H04L9/0869]] ({involving random numbers or seeds}): 1 patents
* Recent patents:
* Recent patents:
** [[20250007698. QUANTUM KEY DISTRIBUTION (Quantum Optics Jena GmbH)]] (20250102)
** [[20250119279. ERROR MANAGEMENT FOR LONG DISTANCE QUANTUM KEY DISTRIBUTION AND SYMMETRICAL KEY DISTRIBUTION (Arizona Board of Regents on Behalf of Northern Arizona University)]] (20250410)
=== [[:Category:University of Central Florida Research Foundation, Inc.|University of Central Florida Research Foundation, Inc.]] ===
=== [[:Category:The Regents of the University of California|The Regents of the University of California]] ===
* Number of Quantum Cryptography patents: 1
* Number of Quantum Cryptography patents: 1
* Top CPC codes:
* Top CPC codes:
** [[:Category:CPC_H04L9/0858|H04L9/0858]] (No explanation available): 1 patents
** [[:Category:CPC_H04L9/0858|H04L9/0858]] ({Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding}): 1 patents
** [[:Category:CPC_H04L9/0819|H04L9/0819]] (No explanation available): 1 patents
** [[:Category:CPC_H04L9/0827|H04L9/0827]] ({involving distinctive intermediate devices or communication paths  (network architectures or network communication protocols using different networks): 1 patents
* Recent patents:
* Recent patents:
** [[20250007702. QUANTUM KEY DISTRIBUTION SYSTEM TO OVERCOME INTERCEPT-RESEND AND DETECTOR-CONTROL QUANTUM HACKING (University of Central Florida Research Foundation, Inc.)]] (20250102)
** [[20250119281. SCALABLE MULTI-PARTY NETWORKS FOR HIGH-RATE ENTANGLEMENT DISTRIBUTION AND QUANTUM COMMUNICATIONS (The Regents of the University of California)]] (20250410)
=== [[:Category:Quantum Technologies Laboratories, Inc.|Quantum Technologies Laboratories, Inc.]] ===
=== [[:Category:MATRICTIME DIGITAL TECHNOLOGY CO., LTD|MATRICTIME DIGITAL TECHNOLOGY CO., LTD]] ===
* Number of Quantum Cryptography patents: 1
* Number of Quantum Cryptography patents: 1
* Top CPC codes:
* Top CPC codes:
** [[:Category:CPC_H04L9/0869|H04L9/0869]] (No explanation available): 1 patents
** [[:Category:CPC_H04L9/0852|H04L9/0852]] ({Quantum cryptography  (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared): 1 patents
** [[:Category:CPC_G06F7/588|G06F7/588]] (No explanation available): 1 patents
** [[:Category:CPC_H04L63/0428|H04L63/0428]] ({wherein the data content is protected, e.g. by encrypting or encapsulating the payload}): 1 patents
** [[:Category:CPC_H04L2209/08|H04L2209/08]] (No explanation available): 1 patents
* Recent patents:
* Recent patents:
** [[20250007704. Redundant Quantum Random Number Generator in a Quantum Communication System (Quantum Technologies Laboratories, Inc.)]] (20250102)
** [[20250038968. UNIVERSAL QUANTUM SECURE DEVICE, METHOD OF SENDING DATA AND METHOD OF RECEIVING DATA (MATRICTIME DIGITAL TECHNOLOGY CO., LTD)]] (20250130)
=== [[:Category:SDT Inc.|SDT Inc.]] ===
=== [[:Category:Airbus SAS|Airbus SAS]] ===
* Number of Quantum Cryptography patents: 1
* Number of Quantum Cryptography patents: 1
* Top CPC codes:
* Top CPC codes:
** [[:Category:CPC_H03K5/133|H03K5/133]] (No explanation available): 1 patents
** [[:Category:CPC_H04L9/0852|H04L9/0852]] ({Quantum cryptography  (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared): 1 patents
** [[:Category:CPC_H03K5/135|H03K5/135]] (No explanation available): 1 patents
** [[:Category:CPC_H04L9/0861|H04L9/0861]] ({Generation of secret information including derivation or calculation of cryptographic keys or passwords}): 1 patents
** [[:Category:CPC_H03M7/165|H03M7/165]] (No explanation available): 1 patents
* Recent patents:
* Recent patents:
** [[20250023556. METHOD FOR MEASURING STATES OF TIME-BIN QUBITS IN A QUANTUM CRYPTOGRAPHY KEY DISTRIBUTION SYSTEM USING A TIME-TO-DIGITAL CONVERTER AND A SYSTEM FOR THE SAME (SDT Inc.)]] (20250116)
** [[20250038970. QUANTUM KEY DISTRIBUTION (QKD) METHOD, QKD END-NODE AND QKD NETWORK (Airbus SAS)]] (20250130)
=== [[:Category:Samsung SDS Co., Ltd.|Samsung SDS Co., Ltd.]] ===
* Number of Quantum Cryptography patents: 1
* Top CPC codes:
** [[:Category:CPC_H04L63/166|H04L63/166]] (No explanation available): 1 patents
** [[:Category:CPC_H04L63/0435|H04L63/0435]] (No explanation available): 1 patents
* Recent patents:
** [[20250023916. COMMUNICATION METHOD FOR QUANTUM SECURITY AND COMMUNICATION DEVICE SUPPORTING THE SAME (Samsung SDS Co., Ltd.)]] (20250116)


== New Companies in Quantum Cryptography (Last Month) ==
== New Companies in Quantum Cryptography (Last Month) ==
Line 126: Line 130:
[[File:Emerging_Technology_Areas_in_Quantum_Cryptography.png|border|800px]]
[[File:Emerging_Technology_Areas_in_Quantum_Cryptography.png|border|800px]]


* [[:Category:CPC_H04L9/3247|H04L9/3247]] (No explanation available)
* [[:Category:CPC_H04B10/27|H04B10/27]] (Arrangements for networking)
** Count: 1 patents
** Count: 1 patents
** Example: [[20250015981. POST-QUANTUM CRYPTOGRAPHY FOR SECURE BOOT (Google LLC)]]
** Example: [[20250106012. Quantum key distribution in an optical network and quantum-secured optical channels (Ciena Corporation)]]
* [[:Category:CPC_H04L9/0643|H04L9/0643]] (No explanation available)
* [[:Category:CPC_H04B10/11|H04B10/11]] (Arrangements specific to free-space transmission, i.e. transmission through air or vacuum)
** Count: 1 patents
** Count: 1 patents
** Example: [[20250015981. POST-QUANTUM CRYPTOGRAPHY FOR SECURE BOOT (Google LLC)]]
** Example: [[20250106012. Quantum key distribution in an optical network and quantum-secured optical channels (Ciena Corporation)]]
* [[:Category:CPC_B64U2101/20|B64U2101/20]] (No explanation available)
* [[:Category:CPC_G06F16/2379|G06F16/2379]] ({Updates performed during online database operations; commit processing})
** Count: 1 patents
** Count: 1 patents
** Example: [[20250015980. SYSTEMS AND METHODS FOR SECURE KEY DISTRIBUTION VIA A DRONE MESH NETWORK (Wells Fargo Bank, N.A.)]]
** Example: [[20250103737. STORAGE OF DATA INSTANCES WITH PROTECTED DATA FIELDS IN A DATA STORAGE (Wells Fargo Bank, N.A.)]]
* [[:Category:CPC_H04L9/0822|H04L9/0822]] (No explanation available)
* [[:Category:CPC_G06F21/6218|G06F21/6218]] ({to a system of files or objects, e.g. local or distributed file system or database})
** Count: 1 patents
** Count: 1 patents
** Example: [[20250015980. SYSTEMS AND METHODS FOR SECURE KEY DISTRIBUTION VIA A DRONE MESH NETWORK (Wells Fargo Bank, N.A.)]]
** Example: [[20250103737. STORAGE OF DATA INSTANCES WITH PROTECTED DATA FIELDS IN A DATA STORAGE (Wells Fargo Bank, N.A.)]]
* [[:Category:CPC_B64C39/024|B64C39/024]] (No explanation available)
* [[:Category:CPC_G06F2221/033|G06F2221/033]] (Indexing scheme relating to)
** Count: 1 patents
** Count: 1 patents
** Example: [[20250015980. SYSTEMS AND METHODS FOR SECURE KEY DISTRIBUTION VIA A DRONE MESH NETWORK (Wells Fargo Bank, N.A.)]]
** Example: [[20250103720. POST-QUANTUM CRYPTOGRAPHY RISK MODELING (Wells Fargo Bank, N.A.)]]
* [[:Category:CPC_G02B6/29355|G02B6/29355]] (No explanation available)
* [[:Category:CPC_G06Q10/0635|G06Q10/0635]] (Risk analysis of enterprise or organisation activities)
** Count: 1 patents
** Count: 1 patents
** Example: [[20250052952. ON-CHIP INTERFEROMETRY SYSTEM FOR HIGH SECRET KEY RATE QUANTUM KEY DISTRIBUTION BASED ON ENTANGLED PHOTONIC QUDITS (INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE)]]
** Example: [[20250103720. POST-QUANTUM CRYPTOGRAPHY RISK MODELING (Wells Fargo Bank, N.A.)]]
* [[:Category:CPC_H04L9/321|H04L9/321]] (No explanation available)
* [[:Category:CPC_G06F21/577|G06F21/577]] ({Assessing vulnerabilities and evaluating computer system security})
** Count: 1 patents
** Count: 1 patents
** Example: [[20250030667. AUTOMATIC SAE ID EXCHANGE FOR QUANTUM KEY DISTRIBUTION (QKD) CRYPTOGRAPHY (Ciena Corporation)]]
** Example: [[20250103720. POST-QUANTUM CRYPTOGRAPHY RISK MODELING (Wells Fargo Bank, N.A.)]]
* [[:Category:CPC_H04L9/0855|H04L9/0855]] (No explanation available)
* [[:Category:CPC_H04L9/3247|H04L9/3247]] ({involving digital signatures})
** Count: 1 patents
** Count: 1 patents
** Example: [[20250097021. QUANTUM NETWORK DEVICES, SYSTEMS, AND METHODS (THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK)]]
** Example: [[20250015981. POST-QUANTUM CRYPTOGRAPHY FOR SECURE BOOT (Google LLC)]]
* [[:Category:CPC_G01B9/02017|G01B9/02017]] (No explanation available)
* [[:Category:CPC_H04L9/0643|H04L9/0643]] ({Hash functions, e.g. MD5, SHA, HMAC or f9 MAC})
** Count: 1 patents
** Count: 1 patents
** Example: [[20250097021. QUANTUM NETWORK DEVICES, SYSTEMS, AND METHODS (THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK)]]
** Example: [[20250015981. POST-QUANTUM CRYPTOGRAPHY FOR SECURE BOOT (Google LLC)]]
* [[:Category:CPC_G06N10/40|G06N10/40]] (No explanation available)
* [[:Category:CPC_B64U2101/20|B64U2101/20]] (UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR)
** Count: 1 patents
** Count: 1 patents
** Example: [[20250094129. METHOD AND DEVICE FOR QUANTUM RANDOM NUMBER GENERATION (Université de Genève)]]
** Example: [[20250015980. SYSTEMS AND METHODS FOR SECURE KEY DISTRIBUTION VIA A DRONE MESH NETWORK (Wells Fargo Bank, N.A.)]]


== Top Companies in Emerging Quantum Cryptography Technologies 2025==
== Top Companies in Emerging Quantum Cryptography Technologies 2025==
[[File:Top_Companies_in_Emerging_Quantum_Cryptography_Technologies.png|border|800px]]
[[File:Top_Companies_in_Emerging_Quantum_Cryptography_Technologies.png|border|800px]]


* [[:Category:Wells Fargo Bank, N.A.|Wells Fargo Bank, N.A.]]: 3 patents
* [[:Category:Wells Fargo Bank, N.A.|Wells Fargo Bank, N.A.]]: 6 patents
* [[:Category:THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK|THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK]]: 2 patents
* [[:Category:Ciena Corporation|Ciena Corporation]]: 2 patents
* [[:Category:Google LLC|Google LLC]]: 2 patents
* [[:Category:Google LLC|Google LLC]]: 2 patents
* [[:Category:Université de Genève|Université de Genève]]: 1 patents
* [[:Category:Ciena Corporation|Ciena Corporation]]: 1 patents
* [[:Category:INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE|INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE]]: 1 patents


== Top Inventors in Quantum Cryptography ==
== Top Inventors in Quantum Cryptography ==
Line 177: Line 178:
** [[20250038969. POST QUANTUM KEY ENCAPSULATION MECHANISM BASED SUCI ENCRYPTION (Nokia Technologies Oy)]] (20250130)
** [[20250038969. POST QUANTUM KEY ENCAPSULATION MECHANISM BASED SUCI ENCRYPTION (Nokia Technologies Oy)]] (20250130)
** [[20250048113. SUCI ENCRYPTION (Nokia Technologies Oy)]] (20250206)
** [[20250048113. SUCI ENCRYPTION (Nokia Technologies Oy)]] (20250206)
=== [[:Category:Peter Bordow|Peter Bordow of Fountain Hills AZ (US)]] ===
* Number of Quantum Cryptography patents: 2
* Top companies:
** [[:Category:Wells Fargo Bank, N.A.|Wells Fargo Bank, N.A.]]: 2 patents
* Recent patents:
** [[20250015980. SYSTEMS AND METHODS FOR SECURE KEY DISTRIBUTION VIA A DRONE MESH NETWORK (Wells Fargo Bank, N.A.)]] (20250109)
** [[20250103720. POST-QUANTUM CRYPTOGRAPHY RISK MODELING (Wells Fargo Bank, N.A.)]] (20250327)
=== [[:Category:Mohit KHANNA|Mohit KHANNA]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Mastercard International Incorporated|Mastercard International Incorporated]]: 1 patents
* Recent patents:
** [[20250119277. METHOD AND SYSTEM FOR SECURELY REPORTING AND STORING COMPUTER SECURITY PROFILES (Mastercard International Incorporated)]] (20250410)
=== [[:Category:Vinit SINHA|Vinit SINHA]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Mastercard International Incorporated|Mastercard International Incorporated]]: 1 patents
* Recent patents:
** [[20250119277. METHOD AND SYSTEM FOR SECURELY REPORTING AND STORING COMPUTER SECURITY PROFILES (Mastercard International Incorporated)]] (20250410)
=== [[:Category:Amit GUPTA|Amit GUPTA]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Mastercard International Incorporated|Mastercard International Incorporated]]: 1 patents
* Recent patents:
** [[20250119277. METHOD AND SYSTEM FOR SECURELY REPORTING AND STORING COMPUTER SECURITY PROFILES (Mastercard International Incorporated)]] (20250410)
=== [[:Category:Simran MANCHANDA|Simran MANCHANDA]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Mastercard International Incorporated|Mastercard International Incorporated]]: 1 patents
* Recent patents:
** [[20250119277. METHOD AND SYSTEM FOR SECURELY REPORTING AND STORING COMPUTER SECURITY PROFILES (Mastercard International Incorporated)]] (20250410)
=== [[:Category:Tae Sang CHOI|Tae Sang CHOI]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Electronics and Telecommunications Research Institute|Electronics and Telecommunications Research Institute]]: 1 patents
* Recent patents:
** [[20250119278. METHOD FOR AUTONOMIC MANAGEMENT AND CONTROL IN QUANTUM KEY DISTRIBUTION NETWORK AND APPARATUS FOR THE SAME (Electronics and Telecommunications Research Institute)]] (20250410)
=== [[:Category:Tae Yeon KIM|Tae Yeon KIM]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Electronics and Telecommunications Research Institute|Electronics and Telecommunications Research Institute]]: 1 patents
* Recent patents:
** [[20250119278. METHOD FOR AUTONOMIC MANAGEMENT AND CONTROL IN QUANTUM KEY DISTRIBUTION NETWORK AND APPARATUS FOR THE SAME (Electronics and Telecommunications Research Institute)]] (20250410)
=== [[:Category:Bertrand F. CAMBOU|Bertrand F. CAMBOU of Flagstaff AZ (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Arizona Board of Regents on Behalf of Northern Arizona University|Arizona Board of Regents on Behalf of Northern Arizona University]]: 1 patents
* Recent patents:
** [[20250119279. ERROR MANAGEMENT FOR LONG DISTANCE QUANTUM KEY DISTRIBUTION AND SYMMETRICAL KEY DISTRIBUTION (Arizona Board of Regents on Behalf of Northern Arizona University)]] (20250410)
=== [[:Category:Jeffrey HOFFSTEIN|Jeffrey HOFFSTEIN of Providence RI (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Arizona Board of Regents on Behalf of Northern Arizona University|Arizona Board of Regents on Behalf of Northern Arizona University]]: 1 patents
* Recent patents:
** [[20250119279. ERROR MANAGEMENT FOR LONG DISTANCE QUANTUM KEY DISTRIBUTION AND SYMMETRICAL KEY DISTRIBUTION (Arizona Board of Regents on Behalf of Northern Arizona University)]] (20250410)
=== [[:Category:Dina GHANAIMIANDOAB|Dina GHANAIMIANDOAB of Flagstaff AZ (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Arizona Board of Regents on Behalf of Northern Arizona University|Arizona Board of Regents on Behalf of Northern Arizona University]]: 1 patents
* Recent patents:
** [[20250119279. ERROR MANAGEMENT FOR LONG DISTANCE QUANTUM KEY DISTRIBUTION AND SYMMETRICAL KEY DISTRIBUTION (Arizona Board of Regents on Behalf of Northern Arizona University)]] (20250410)
=== [[:Category:Brit RIGGS|Brit RIGGS of Flagstaff AZ (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Arizona Board of Regents on Behalf of Northern Arizona University|Arizona Board of Regents on Behalf of Northern Arizona University]]: 1 patents
* Recent patents:
** [[20250119279. ERROR MANAGEMENT FOR LONG DISTANCE QUANTUM KEY DISTRIBUTION AND SYMMETRICAL KEY DISTRIBUTION (Arizona Board of Regents on Behalf of Northern Arizona University)]] (20250410)
=== [[:Category:Ian BURKE|Ian BURKE of Flagstaff AZ (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Arizona Board of Regents on Behalf of Northern Arizona University|Arizona Board of Regents on Behalf of Northern Arizona University]]: 1 patents
* Recent patents:
** [[20250119279. ERROR MANAGEMENT FOR LONG DISTANCE QUANTUM KEY DISTRIBUTION AND SYMMETRICAL KEY DISTRIBUTION (Arizona Board of Regents on Behalf of Northern Arizona University)]] (20250410)
=== [[:Category:Julie B. HEYNSSENS|Julie B. HEYNSSENS of Flagstaff AZ (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Arizona Board of Regents on Behalf of Northern Arizona University|Arizona Board of Regents on Behalf of Northern Arizona University]]: 1 patents
* Recent patents:
** [[20250119279. ERROR MANAGEMENT FOR LONG DISTANCE QUANTUM KEY DISTRIBUTION AND SYMMETRICAL KEY DISTRIBUTION (Arizona Board of Regents on Behalf of Northern Arizona University)]] (20250410)
=== [[:Category:Jeffrey J. Stapleton|Jeffrey J. Stapleton of O'Fallon MO (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Wells Fargo Bank, N.A.|Wells Fargo Bank, N.A.]]: 1 patents
* Recent patents:
** [[20250119280. QUANTUM UNIQUE AUTHENTICATED CHAFF KEY (QUACK) (Wells Fargo Bank, N.A.)]] (20250410)
=== [[:Category:Chee Wei Wong|Chee Wei Wong of Los Angeles CA (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:The Regents of the University of California|The Regents of the University of California]]: 1 patents
* Recent patents:
** [[20250119281. SCALABLE MULTI-PARTY NETWORKS FOR HIGH-RATE ENTANGLEMENT DISTRIBUTION AND QUANTUM COMMUNICATIONS (The Regents of the University of California)]] (20250410)
=== [[:Category:Murat Sarihan|Murat Sarihan of Los Angeles CA (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:The Regents of the University of California|The Regents of the University of California]]: 1 patents
* Recent patents:
** [[20250119281. SCALABLE MULTI-PARTY NETWORKS FOR HIGH-RATE ENTANGLEMENT DISTRIBUTION AND QUANTUM COMMUNICATIONS (The Regents of the University of California)]] (20250410)
=== [[:Category:Xiang Cheng|Xiang Cheng of Los Angeles CA (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:The Regents of the University of California|The Regents of the University of California]]: 1 patents
* Recent patents:
** [[20250119281. SCALABLE MULTI-PARTY NETWORKS FOR HIGH-RATE ENTANGLEMENT DISTRIBUTION AND QUANTUM COMMUNICATIONS (The Regents of the University of California)]] (20250410)
=== [[:Category:Kai-Chi Chang|Kai-Chi Chang of Los Angeles CA (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:The Regents of the University of California|The Regents of the University of California]]: 1 patents
* Recent patents:
** [[20250119281. SCALABLE MULTI-PARTY NETWORKS FOR HIGH-RATE ENTANGLEMENT DISTRIBUTION AND QUANTUM COMMUNICATIONS (The Regents of the University of California)]] (20250410)
=== [[:Category:Boohea FOO|Boohea FOO]] ===
=== [[:Category:Boohea FOO|Boohea FOO]] ===
* Number of Quantum Cryptography patents: 1
* Number of Quantum Cryptography patents: 1
Line 309: Line 419:
* Recent patents:
* Recent patents:
** [[20250048113. SUCI ENCRYPTION (Nokia Technologies Oy)]] (20250206)
** [[20250048113. SUCI ENCRYPTION (Nokia Technologies Oy)]] (20250206)
=== [[:Category:Antia Lamas Linares|Antia Lamas Linares of Austin TX (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Amazon Technologies, Inc.|Amazon Technologies, Inc.]]: 1 patents
* Recent patents:
** [[20250131317. GENERATION OF VERIFIABLE PRIVATE RANDOMNESS USING DISTRIBUTION OF QUANTUM ENTANGLEMENT (Amazon Technologies, Inc.)]] (20250424)
=== [[:Category:Jiwon Yune|Jiwon Yune]] ===
=== [[:Category:Jiwon Yune|Jiwon Yune]] ===
* Number of Quantum Cryptography patents: 1
* Number of Quantum Cryptography patents: 1
Line 357: Line 473:
* Recent patents:
* Recent patents:
** [[20250080336. QUANTUM COMMUNICATION SYSTEM THAT SWITCHES BETWEEN QUANTUM KEY DISTRIBUTION (QKD) PROTOCOLS AND ASSOCIATED METHODS (Eagle Technology, LLC)]] (20250306)
** [[20250080336. QUANTUM COMMUNICATION SYSTEM THAT SWITCHES BETWEEN QUANTUM KEY DISTRIBUTION (QKD) PROTOCOLS AND ASSOCIATED METHODS (Eagle Technology, LLC)]] (20250306)
=== [[:Category:James A. Nagel|James A. Nagel of Fort Wayne IN (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Eagle Technology, LLC|Eagle Technology, LLC]]: 1 patents
* Recent patents:
** [[20250080336. QUANTUM COMMUNICATION SYSTEM THAT SWITCHES BETWEEN QUANTUM KEY DISTRIBUTION (QKD) PROTOCOLS AND ASSOCIATED METHODS (Eagle Technology, LLC)]] (20250306)
=== [[:Category:Michael R. Lange|Michael R. Lange of Melbourne FL (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Eagle Technology, LLC|Eagle Technology, LLC]]: 1 patents
* Recent patents:
** [[20250080336. QUANTUM COMMUNICATION SYSTEM THAT SWITCHES BETWEEN QUANTUM KEY DISTRIBUTION (QKD) PROTOCOLS AND ASSOCIATED METHODS (Eagle Technology, LLC)]] (20250306)
=== [[:Category:Mario MARTINELLI|Mario MARTINELLI]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:POLITECNICO DI MILANO|POLITECNICO DI MILANO]]: 1 patents
* Recent patents:
** [[20250080337. MODULAR QUANTUM KEY DISTRIBUTION SYSTEM AND RELATIVE MODULATION MODULE AND DEMODULATION MODULE (POLITECNICO DI MILANO)]] (20250306)
=== [[:Category:Ralf Riedinger|Ralf Riedinger]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Universität Hamburg|Universität Hamburg]]: 1 patents
* Recent patents:
** [[20250080338. METHOD FOR QUANTUM-SECURED COMMUNICATION (Universität Hamburg)]] (20250306)
=== [[:Category:Hugo Zbinden|Hugo Zbinden]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Université de Genève|Université de Genève]]: 1 patents
* Recent patents:
** [[20250094129. METHOD AND DEVICE FOR QUANTUM RANDOM NUMBER GENERATION (Université de Genève)]] (20250320)
=== [[:Category:Davide RUSCA|Davide RUSCA]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Université de Genève|Université de Genève]]: 1 patents
* Recent patents:
** [[20250094129. METHOD AND DEVICE FOR QUANTUM RANDOM NUMBER GENERATION (Université de Genève)]] (20250320)
=== [[:Category:Nicolas BRUNNER|Nicolas BRUNNER]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Université de Genève|Université de Genève]]: 1 patents
* Recent patents:
** [[20250094129. METHOD AND DEVICE FOR QUANTUM RANDOM NUMBER GENERATION (Université de Genève)]] (20250320)
=== [[:Category:Eden Figueroa|Eden Figueroa of Setauket NY (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK|THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK]]: 1 patents
* Recent patents:
** [[20250097021. QUANTUM NETWORK DEVICES, SYSTEMS, AND METHODS (THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK)]] (20250320)
=== [[:Category:Mehdi Namazi|Mehdi Namazi of Brooklyn NY (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK|THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK]]: 1 patents
* Recent patents:
** [[20250097021. QUANTUM NETWORK DEVICES, SYSTEMS, AND METHODS (THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK)]] (20250320)
=== [[:Category:Mael Flament|Mael Flament of Port Jefferson NY (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK|THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK]]: 1 patents
* Recent patents:
** [[20250097021. QUANTUM NETWORK DEVICES, SYSTEMS, AND METHODS (THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK)]] (20250320)
=== [[:Category:Sonali Gera|Sonali Gera of Port Jefferson NY (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK|THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK]]: 1 patents
* Recent patents:
** [[20250097021. QUANTUM NETWORK DEVICES, SYSTEMS, AND METHODS (THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK)]] (20250320)
=== [[:Category:Yoshimichi TANIZAWA|Yoshimichi TANIZAWA]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:KABUSHIKI KAISHA TOSHIBA|KABUSHIKI KAISHA TOSHIBA]]: 1 patents
* Recent patents:
** [[20250097031. INFORMATION PROCESSING DEVICE, QKD NETWORK SYSTEM, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT (KABUSHIKI KAISHA TOSHIBA)]] (20250320)
=== [[:Category:Yasuhiro KATSUBE|Yasuhiro KATSUBE]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:KABUSHIKI KAISHA TOSHIBA|KABUSHIKI KAISHA TOSHIBA]]: 1 patents
* Recent patents:
** [[20250097031. INFORMATION PROCESSING DEVICE, QKD NETWORK SYSTEM, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT (KABUSHIKI KAISHA TOSHIBA)]] (20250320)
=== [[:Category:Ririka TAKAHASHI|Ririka TAKAHASHI]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:KABUSHIKI KAISHA TOSHIBA|KABUSHIKI KAISHA TOSHIBA]]: 1 patents
* Recent patents:
** [[20250097031. INFORMATION PROCESSING DEVICE, QKD NETWORK SYSTEM, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT (KABUSHIKI KAISHA TOSHIBA)]] (20250320)
=== [[:Category:Yu YU|Yu YU]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:KABUSHIKI KAISHA TOSHIBA|KABUSHIKI KAISHA TOSHIBA]]: 1 patents
* Recent patents:
** [[20250097031. INFORMATION PROCESSING DEVICE, QKD NETWORK SYSTEM, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT (KABUSHIKI KAISHA TOSHIBA)]] (20250320)
=== [[:Category:Yves Cayer|Yves Cayer]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Ciena Corporation|Ciena Corporation]]: 1 patents
* Recent patents:
** [[20250030667. AUTOMATIC SAE ID EXCHANGE FOR QUANTUM KEY DISTRIBUTION (QKD) CRYPTOGRAPHY (Ciena Corporation)]] (20250123)
=== [[:Category:Masashi ITO|Masashi ITO]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:KABUSHIKI KAISHA TOSHIBA|KABUSHIKI KAISHA TOSHIBA]]: 1 patents
* Recent patents:
** [[20250088354. KEY MANAGEMENT SERVER DEVICE, QKD SYSTEM, AND KEY MANAGEMENT METHOD (KABUSHIKI KAISHA TOSHIBA)]] (20250313)
=== [[:Category:Katsuyuki KIMURA|Katsuyuki KIMURA]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:KABUSHIKI KAISHA TOSHIBA|KABUSHIKI KAISHA TOSHIBA]]: 1 patents
* Recent patents:
** [[20250088354. KEY MANAGEMENT SERVER DEVICE, QKD SYSTEM, AND KEY MANAGEMENT METHOD (KABUSHIKI KAISHA TOSHIBA)]] (20250313)
=== [[:Category:Koji KANAZAWA|Koji KANAZAWA]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:KABUSHIKI KAISHA TOSHIBA|KABUSHIKI KAISHA TOSHIBA]]: 1 patents
* Recent patents:
** [[20250088354. KEY MANAGEMENT SERVER DEVICE, QKD SYSTEM, AND KEY MANAGEMENT METHOD (KABUSHIKI KAISHA TOSHIBA)]] (20250313)


== Top Collaborations in Quantum Cryptography ==
== Top Collaborations in Quantum Cryptography ==
Line 482: Line 484:
[[File:Top_20_Cities_for_Quantum_Cryptography_Inventors.png|border|800px]]
[[File:Top_20_Cities_for_Quantum_Cryptography_Inventors.png|border|800px]]


* Seoul: 11 inventors
* San Francisco: 10 inventors
* Flagstaff: 5 inventors
* Nanjing: 5 inventors
* Nanjing: 5 inventors
* Seoul: 5 inventors
* New Delhi: 4 inventors
* Los Angeles: 4 inventors
* Munich: 4 inventors
* Munich: 4 inventors
* Bangalore: 4 inventors
* Bangalore: 4 inventors
* Muenchen: 4 inventors
* MONTRÉAL: 4 inventors
* MONTRÉAL: 4 inventors
* Yokohama Kanagawa: 3 inventors
* Yokohama Kanagawa: 3 inventors
* Roma: 3 inventors
* Daejeon: 2 inventors
* O'Fallon: 2 inventors
* Strasslach-Dingharting: 2 inventors
* Genève: 2 inventors
* Genève: 2 inventors
* Port Jefferson: 2 inventors
* Port Jefferson: 2 inventors
* BLAGNAC: 1 inventors
* Fountain Hills: 2 inventors
* Walnut Creek: 1 inventors
* Delhi: 1 inventors
* Riverside: 1 inventors
* Providence: 1 inventors
* San Jose: 1 inventors
* Jena: 1 inventors
* Giza: 1 inventors
* Orlando: 1 inventors
* North Bay Village: 1 inventors
* Chesapeake: 1 inventors
* Dayton: 1 inventors
* New York: 1 inventors
* Gwacheon-si: 1 inventors


[[Category:Quantum Cryptography]]
[[Category:Quantum Cryptography]]
[[Category:Patent Application Trends by Technology in 2025]]
[[Category:Patent Application Trends by Technology in 2025]]

Latest revision as of 05:29, 4 June 2025

Quantum Cryptography Patent Application Filing Activity

Quantum Cryptography patent applications in 2025

Top Technology Areas in Quantum Cryptography

Top CPC Codes

Top Companies in Quantum Cryptography 2025

Wells Fargo Bank, N.A.

Nokia Technologies Oy

KABUSHIKI KAISHA TOSHIBA

Ciena Corporation

Mastercard International Incorporated

Electronics and Telecommunications Research Institute

Arizona Board of Regents on Behalf of Northern Arizona University

The Regents of the University of California

MATRICTIME DIGITAL TECHNOLOGY CO., LTD

Airbus SAS

New Companies in Quantum Cryptography (Last Month)

File:New Companies in Quantum Cryptography Last Month.png

No new companies detected in the last month.

Emerging Technology Areas in Quantum Cryptography

Top Companies in Emerging Quantum Cryptography Technologies 2025

Top Inventors in Quantum Cryptography

Aritra BANERJEE

Peter Bordow of Fountain Hills AZ (US)

Mohit KHANNA

Vinit SINHA

Amit GUPTA

Simran MANCHANDA

Tae Sang CHOI

Tae Yeon KIM

Bertrand F. CAMBOU of Flagstaff AZ (US)

Jeffrey HOFFSTEIN of Providence RI (US)

Dina GHANAIMIANDOAB of Flagstaff AZ (US)

Brit RIGGS of Flagstaff AZ (US)

Ian BURKE of Flagstaff AZ (US)

Julie B. HEYNSSENS of Flagstaff AZ (US)

Jeffrey J. Stapleton of O'Fallon MO (US)

Chee Wei Wong of Los Angeles CA (US)

Murat Sarihan of Los Angeles CA (US)

Xiang Cheng of Los Angeles CA (US)

Kai-Chi Chang of Los Angeles CA (US)

Boohea FOO

Dahai DAI

Ge YANG

Chengyang ZHAO

Xiaoman FU

Ranganathan Mavureddi Dhanasekaran

K. Tirumaleswar Reddy

Saurabh Khare

Paulo-Jorge MILHEIRO MENDES

Brian Wane of Walnut Creek CA (US)

Ikechi Echebiri of Riverside CA (US)

Junaid Islam of San Jose CA (US)

René HEILMANN

Salem F. Hegazy

Bahaa E. A. Saleh of Orlando FL (US)

Peter Boutan of North Bay Village FL (US)

Kyle Kroskey of Chesapeake VA (US)

David Johns of Dayton NV (US)

Alain Obadia of New York NY (US)

Ranganathan MAVUREDDI DHANASEKARAN

K TIRUMALESWAR REDDY

Saurabh KHARE

Antia Lamas Linares of Austin TX (US)

Jiwon Yune

Byungkwon Park

Chang Hoon LEE

Hun Hee Yu

Eun Kyung Kim

Hyo Jin Yoon

Ji Hoon Cho

VICTOR G. BUCKLEW of Richmond VA (US)

Top Collaborations in Quantum Cryptography

Top US States for Quantum Cryptography Inventors


Top Cities for Quantum Cryptography Inventors

  • Seoul: 11 inventors
  • San Francisco: 10 inventors
  • Flagstaff: 5 inventors
  • Nanjing: 5 inventors
  • New Delhi: 4 inventors
  • Los Angeles: 4 inventors
  • Munich: 4 inventors
  • Bangalore: 4 inventors
  • Muenchen: 4 inventors
  • MONTRÉAL: 4 inventors
  • Yokohama Kanagawa: 3 inventors
  • Roma: 3 inventors
  • Daejeon: 2 inventors
  • O'Fallon: 2 inventors
  • Strasslach-Dingharting: 2 inventors
  • Genève: 2 inventors
  • Port Jefferson: 2 inventors
  • Fountain Hills: 2 inventors
  • Delhi: 1 inventors
  • Providence: 1 inventors
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