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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]] ({Quantum cryptography  (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared)
* [[:Category:CPC_H04L9/0852|H04L9/0852]] ({Quantum cryptography  (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared)
** Count: 10 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_H04L9/0858|H04L9/0858]] ({Details about key distillation or coding, e.g. reconciliation, error correction, privacy amplification, polarisation coding or phase coding})
** Count: 5 patents
** Example: [[20250119280. QUANTUM UNIQUE AUTHENTICATED CHAFF KEY (QUACK) (Wells Fargo Bank, N.A.)]]
* [[: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})
* [[: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
** Example: [[20250119280. QUANTUM UNIQUE AUTHENTICATED CHAFF KEY (QUACK) (Wells Fargo Bank, N.A.)]]
* [[:Category:CPC_H04B10/70|H04B10/70]] (Photonic quantum communication)
** Count: 3 patents
** Count: 3 patents
** Example: [[20250039158. Encrypting E-mail and Other Digital Data (XQ Message Inc.)]]
** 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]] ({wherein the data content is protected, e.g. by encrypting or encapsulating the payload})
* [[: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
Line 19: Line 31:
** 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_H04L9/0819|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: 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]] ({Implementing security features at a particular protocol layer})
* [[:Category:CPC_H04L63/166|H04L63/166]] ({Implementing security features at a particular protocol layer})
** 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_H04B10/70|H04B10/70]] (Photonic quantum communication)
* [[:Category:CPC_G06F21/602|G06F21/602]] ({Providing cryptographic facilities or services})
** Count: 2 patents
** Count: 2 patents
** Example: [[20250080336. QUANTUM COMMUNICATION SYSTEM THAT SWITCHES BETWEEN QUANTUM KEY DISTRIBUTION (QKD) PROTOCOLS AND ASSOCIATED METHODS (Eagle Technology, LLC)]]
** Example: [[20250139297. INLINE ENCRYPTOR ASIC (Rockwell Collins, Inc.)]]
* [[:Category:CPC_H04L9/0825|H04L9/0825]] ({using asymmetric-key encryption or public key infrastructure [PKI], e.g. key signature or public key certificates})
** Count: 1 patents
** Example: [[20250038969. POST QUANTUM KEY ENCAPSULATION MECHANISM BASED SUCI ENCRYPTION (Nokia Technologies Oy)]]
* [[:Category:CPC_H04L9/0861|H04L9/0861]] ({Generation of secret information including derivation or calculation of cryptographic keys or passwords})
** Count: 1 patents
** Example: [[20250038970. QUANTUM KEY DISTRIBUTION (QKD) METHOD, QKD END-NODE AND QKD NETWORK (Airbus SAS)]]
* [[:Category:CPC_H04L9/083|H04L9/083]] ({involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]})
** Count: 1 patents
** Example: [[20250039158. Encrypting E-mail and Other Digital Data (XQ Message Inc.)]]


== 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
Line 50: Line 60:
** [[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:MATRICTIME DIGITAL TECHNOLOGY CO., LTD|MATRICTIME DIGITAL TECHNOLOGY CO., LTD]] ===
=== [[:Category:KABUSHIKI KAISHA TOSHIBA|KABUSHIKI KAISHA TOSHIBA]] ===
* Number of Quantum Cryptography patents: 1
* Number of Quantum Cryptography patents: 2
* Top CPC codes:
* Top CPC codes:
** [[:Category:CPC_H04L9/14|H04L9/14]] (using a plurality of keys or algorithms): 2 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_H04L9/0852|H04L9/0852]] ({Quantum cryptography  (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared): 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_H04L9/0819|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:
** [[20250038968. UNIVERSAL QUANTUM SECURE DEVICE, METHOD OF SENDING DATA AND METHOD OF RECEIVING DATA (MATRICTIME DIGITAL TECHNOLOGY CO., LTD)]] (20250130)
** [[20250097031. INFORMATION PROCESSING DEVICE, QKD NETWORK SYSTEM, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM PRODUCT (KABUSHIKI KAISHA TOSHIBA)]] (20250320)
=== [[:Category:Airbus SAS|Airbus SAS]] ===
** [[20250088354. KEY MANAGEMENT SERVER DEVICE, QKD SYSTEM, AND KEY MANAGEMENT METHOD (KABUSHIKI KAISHA TOSHIBA)]] (20250313)
* Number of Quantum Cryptography patents: 1
=== [[:Category:Ciena Corporation|Ciena Corporation]] ===
* Number of Quantum Cryptography patents: 2
* Top CPC codes:
* Top CPC codes:
** [[: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]] ({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
** [[: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]] ({Generation of secret information including derivation or calculation of cryptographic keys or passwords}): 1 patents
* Recent patents:
* Recent patents:
** [[20250038970. QUANTUM KEY DISTRIBUTION (QKD) METHOD, QKD END-NODE AND QKD NETWORK (Airbus SAS)]] (20250130)
** [[20250030667. AUTOMATIC SAE ID EXCHANGE FOR QUANTUM KEY DISTRIBUTION (QKD) CRYPTOGRAPHY (Ciena Corporation)]] (20250123)
=== [[:Category:XQ Message Inc.|XQ Message Inc.]] ===
** [[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_H04L63/0435|H04L63/0435]] ({for providing a confidential data exchange among entities communicating through data packet networks}): 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]] ({involving central third party, e.g. key distribution center [KDC] or trusted third party [TTP]}): 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
** [[:Category:CPC_H04L9/0869|H04L9/0869]] ({involving random numbers or seeds}): 1 patents
* Recent patents:
* Recent patents:
** [[20250039158. Encrypting E-mail and Other Digital Data (XQ Message Inc.)]] (20250130)
** [[20250119277. METHOD AND SYSTEM FOR SECURELY REPORTING AND STORING COMPUTER SECURITY PROFILES (Mastercard International Incorporated)]] (20250410)
=== [[:Category:Quantum Optics Jena GmbH|Quantum Optics Jena GmbH]] ===
=== [[: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_H04L9/0852|H04L9/0852]] ({Quantum cryptography  (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared): 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_H04L9/0894|H04L9/0894]] ({Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage}): 1 patents
** [[:Category:CPC_H04L41/16|H04L41/16]] (using machine learning or artificial intelligence): 1 patents
* Recent patents:
* Recent patents:
** [[20250007698. QUANTUM KEY DISTRIBUTION (Quantum Optics Jena GmbH)]] (20250102)
** [[20250119278. METHOD FOR AUTONOMIC MANAGEMENT AND CONTROL IN QUANTUM KEY DISTRIBUTION NETWORK AND APPARATUS FOR THE SAME (Electronics and Telecommunications Research Institute)]] (20250410)
=== [[:Category:University of Central Florida Research Foundation, Inc.|University of Central Florida Research Foundation, Inc.]] ===
=== [[: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
* 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_H04L9/0819|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:
** [[20250007702. QUANTUM KEY DISTRIBUTION SYSTEM TO OVERCOME INTERCEPT-RESEND AND DETECTOR-CONTROL QUANTUM HACKING (University of Central Florida Research Foundation, Inc.)]] (20250102)
=== [[:Category:Quantum Technologies Laboratories, Inc.|Quantum Technologies Laboratories, Inc.]] ===
* Number of Quantum Cryptography patents: 1
* Number of Quantum Cryptography patents: 1
* Top CPC codes:
* Top CPC codes:
** [[: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
** [[:Category:CPC_H04L9/0869|H04L9/0869]] ({involving random numbers or seeds}): 1 patents
** [[:Category:CPC_G06F7/588|G06F7/588]] (Random or pseudo-random number generators): 1 patents
** [[:Category:CPC_H04L2209/08|H04L2209/08]] (TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION  (arrangements common to telegraphic and telephonic communication): 1 patents
* Recent patents:
* Recent patents:
** [[20250007704. Redundant Quantum Random Number Generator in a Quantum Communication System (Quantum Technologies Laboratories, Inc.)]] (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:SDT Inc.|SDT 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_H03K5/133|H03K5/133]] (Arrangements having a single output and transforming input signals into pulses delivered at desired time intervals): 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_H03K5/135|H03K5/135]] (by the use of time reference signals, e.g. clock signals): 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
** [[:Category:CPC_H03M7/165|H03M7/165]] (CODING; DECODING; CODE CONVERSION IN GENERAL (using fluidic means): 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)
** [[20250119281. SCALABLE MULTI-PARTY NETWORKS FOR HIGH-RATE ENTANGLEMENT DISTRIBUTION AND QUANTUM COMMUNICATIONS (The Regents of the University of California)]] (20250410)
=== [[:Category:Samsung SDS Co., Ltd.|Samsung SDS Co., Ltd.]] ===
=== [[: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_H04L63/166|H04L63/166]] ({Implementing security features at a particular protocol layer}): 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_H04L63/0435|H04L63/0435]] ({for providing a confidential data exchange among entities communicating through data packet networks}): 1 patents
** [[:Category:CPC_H04L63/0428|H04L63/0428]] ({wherein the data content is protected, e.g. by encrypting or encapsulating the payload}): 1 patents
* Recent patents:
* Recent patents:
** [[20250023916. COMMUNICATION METHOD FOR QUANTUM SECURITY AND COMMUNICATION DEVICE SUPPORTING THE SAME (Samsung SDS Co., Ltd.)]] (20250116)
** [[20250038968. UNIVERSAL QUANTUM SECURE DEVICE, METHOD OF SENDING DATA AND METHOD OF RECEIVING DATA (MATRICTIME DIGITAL TECHNOLOGY CO., LTD)]] (20250130)
=== [[:Category:Eagle Technology, LLC|Eagle Technology, LLC]] ===
=== [[: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_H04L9/0852|H04L9/0852]] ({Quantum cryptography  (transmission systems employing electromagnetic waves other than radio waves, e.g. light, infrared): 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_H04B10/70|H04B10/70]] (Photonic quantum communication): 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_H04L9/12|H04L9/12]] (TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION  (arrangements common to telegraphic and telephonic communication): 1 patents
* Recent patents:
* Recent patents:
** [[20250080336. QUANTUM COMMUNICATION SYSTEM THAT SWITCHES BETWEEN QUANTUM KEY DISTRIBUTION (QKD) PROTOCOLS AND ASSOCIATED METHODS (Eagle Technology, LLC)]] (20250306)
** [[20250038970. QUANTUM KEY DISTRIBUTION (QKD) METHOD, QKD END-NODE AND QKD NETWORK (Airbus SAS)]] (20250130)


== New Companies in Quantum Cryptography (Last Month) ==
== New Companies in Quantum Cryptography (Last Month) ==
Line 125: 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]] ({involving digital signatures})
* [[: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]] ({Hash functions, e.g. MD5, SHA, HMAC or f9 MAC})
* [[: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]] (UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR)
* [[: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]] ({using key encryption key})
* [[: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]] ({of the remote controlled vehicle type, i.e. RPV})
* [[: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]] (with wavelength selective means)
* [[: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]] ({involving a third party or a trusted authority})
* [[: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_H04L9/0838|H04L9/0838]] ({Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these  (network architectures or network communication protocols for key exchange in a packet data network)
* [[:Category:CPC_H04L9/3247|H04L9/3247]] ({involving digital signatures})
** Count: 1 patents
** Count: 1 patents
** Example: [[20250080338. METHOD FOR QUANTUM-SECURED COMMUNICATION (Universität Hamburg)]]
** Example: [[20250015981. POST-QUANTUM CRYPTOGRAPHY FOR SECURE BOOT (Google LLC)]]
* [[:Category:CPC_H04L9/12|H04L9/12]] (TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION  (arrangements common to telegraphic and telephonic communication)
* [[:Category:CPC_H04L9/0643|H04L9/0643]] ({Hash functions, e.g. MD5, SHA, HMAC or f9 MAC})
** Count: 1 patents
** Count: 1 patents
** Example: [[20250080336. QUANTUM COMMUNICATION SYSTEM THAT SWITCHES BETWEEN QUANTUM KEY DISTRIBUTION (QKD) PROTOCOLS AND ASSOCIATED METHODS (Eagle Technology, LLC)]]
** Example: [[20250015981. POST-QUANTUM CRYPTOGRAPHY FOR SECURE BOOT (Google LLC)]]
* [[:Category:CPC_H03M7/165|H03M7/165]] (CODING; DECODING; CODE CONVERSION IN GENERAL  (using fluidic means)
* [[:Category:CPC_B64U2101/20|B64U2101/20]] (UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR)
** Count: 1 patents
** Count: 1 patents
** Example: [[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.)]]
** 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:Ciena Corporation|Ciena Corporation]]: 2 patents
* [[:Category:Google LLC|Google LLC]]: 2 patents
* [[:Category:Google LLC|Google LLC]]: 2 patents
* [[:Category:SDT Inc.|SDT Inc.]]: 1 patents
* [[:Category:Eagle Technology, LLC|Eagle Technology, LLC]]: 1 patents
* [[:Category:Universität Hamburg|Universität Hamburg]]: 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: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:STEFANIA SCIARA|STEFANIA SCIARA]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE|INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE]]: 1 patents
* Recent patents:
** [[20250052952. ON-CHIP INTERFEROMETRY SYSTEM FOR HIGH SECRET KEY RATE QUANTUM KEY DISTRIBUTION BASED ON ENTANGLED PHOTONIC QUDITS (INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE)]] (20250213)
=== [[:Category:NICOLA MARYANN MONTAUT|NICOLA MARYANN MONTAUT]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE|INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE]]: 1 patents
* Recent patents:
** [[20250052952. ON-CHIP INTERFEROMETRY SYSTEM FOR HIGH SECRET KEY RATE QUANTUM KEY DISTRIBUTION BASED ON ENTANGLED PHOTONIC QUDITS (INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE)]] (20250213)
=== [[:Category:YOANN JESTIN|YOANN JESTIN]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE|INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE]]: 1 patents
* Recent patents:
** [[20250052952. ON-CHIP INTERFEROMETRY SYSTEM FOR HIGH SECRET KEY RATE QUANTUM KEY DISTRIBUTION BASED ON ENTANGLED PHOTONIC QUDITS (INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE)]] (20250213)
=== [[:Category:ROBIN HELSTEN|ROBIN HELSTEN]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE|INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE]]: 1 patents
* Recent patents:
** [[20250052952. ON-CHIP INTERFEROMETRY SYSTEM FOR HIGH SECRET KEY RATE QUANTUM KEY DISTRIBUTION BASED ON ENTANGLED PHOTONIC QUDITS (INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE)]] (20250213)
=== [[:Category:ROBERTO MORANDOTTI|ROBERTO MORANDOTTI]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE|INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE]]: 1 patents
* Recent patents:
** [[20250052952. ON-CHIP INTERFEROMETRY SYSTEM FOR HIGH SECRET KEY RATE QUANTUM KEY DISTRIBUTION BASED ON ENTANGLED PHOTONIC QUDITS (INSTITUT NATIONAL DE LA RECHERCHE SCIENTIFIQUE)]] (20250213)
=== [[:Category:Jeff J. Stapleton|Jeff 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:
** [[20250015980. SYSTEMS AND METHODS FOR SECURE KEY DISTRIBUTION VIA A DRONE MESH NETWORK (Wells Fargo Bank, N.A.)]] (20250109)
=== [[:Category:Peter Bordow|Peter Bordow of Fountain Hills AZ (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Wells Fargo Bank, N.A.|Wells Fargo Bank, N.A.]]: 1 patents
* Recent patents:
** [[20250015980. SYSTEMS AND METHODS FOR SECURE KEY DISTRIBUTION VIA A DRONE MESH NETWORK (Wells Fargo Bank, N.A.)]] (20250109)
=== [[:Category:Kenneth Leon Root|Kenneth Leon Root of Menlo Park CA (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Google LLC|Google LLC]]: 1 patents
* Recent patents:
** [[20250015981. POST-QUANTUM CRYPTOGRAPHY FOR SECURE BOOT (Google LLC)]] (20250109)
=== [[:Category:Daniel Saul Fess|Daniel Saul Fess of San Francisco CA (US)]] ===
* Number of Quantum Cryptography patents: 1
* Top companies:
** [[:Category:Google LLC|Google LLC]]: 1 patents
* Recent patents:
** [[20250015981. POST-QUANTUM CRYPTOGRAPHY FOR SECURE BOOT (Google LLC)]] (20250109)


== Top Collaborations in Quantum Cryptography ==
== Top Collaborations in Quantum Cryptography ==
Line 452: 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
* BLAGNAC: 1 inventors
* Yokohama Kanagawa: 3 inventors
* Walnut Creek: 1 inventors
* Roma: 3 inventors
* Riverside: 1 inventors
* Daejeon: 2 inventors
* San Jose: 1 inventors
* O'Fallon: 2 inventors
* Jena: 1 inventors
* Strasslach-Dingharting: 2 inventors
* Giza: 1 inventors
* Genève: 2 inventors
* Orlando: 1 inventors
* Port Jefferson: 2 inventors
* North Bay Village: 1 inventors
* Fountain Hills: 2 inventors
* Chesapeake: 1 inventors
* Delhi: 1 inventors
* Dayton: 1 inventors
* Providence: 1 inventors
* New York: 1 inventors
* Gwacheon-si: 1 inventors
* Suwon-si: 1 inventors
* Richmond: 1 inventors
* Fort Wayne: 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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