Quantum Cryptography Patent Application Trends 2024

Quantum Cryptography patent applications in 2024

Top Technology Areas in Quantum Cryptography

Top CPC Codes

• H04L9/0852 (No explanation available)
  • Count: 53 patents
  • Example: 20240235825. QUANTUM KEY DISTRIBUTION-BASED QUANTUM DIGITAL SIGNATURE METHOD AND SYSTEM INCLUDING TRUSTED NODE (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION)
• H04B10/70 (No explanation available)
  • Count: 19 patents
  • Example: 20240235826. HYBRID QUANTUM KEY DISTRIBUTION LINK FOR AN OPTICAL TRANSCEIVER (Mellanox Technologies, Ltd.)
• H04L9/0858 (No explanation available)
  • Count: 11 patents
  • Example: 20240235826. HYBRID QUANTUM KEY DISTRIBUTION LINK FOR AN OPTICAL TRANSCEIVER (Mellanox Technologies, Ltd.)
• H04L9/0819 (No explanation available)
  • Count: 9 patents
  • Example: 20240235825. QUANTUM KEY DISTRIBUTION-BASED QUANTUM DIGITAL SIGNATURE METHOD AND SYSTEM INCLUDING TRUSTED NODE (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION)
• H04L9/0869 (No explanation available)
  • Count: 8 patents
  • Example: 20240267212. Post-Quantum Cryptography Key Encapsulation Mechanism System (Intel Corporation)
• H04L9/0855 (No explanation available)
  • Count: 7 patents
  • Example: 20240291641. PACKET-SWITCHING QUANTUM KEY DISTRIBUTION (Cisco Technology, Inc.)
• H04L9/085 (No explanation available)
  • Count: 6 patents
  • Example: 20240129116. KEY EXCHANGE PROTOCOL FOR SATELLITE BASED QUANTUM NETWORK (ARQIT LIMITED)
• G06F7/588 (No explanation available)
  • Count: 5 patents
  • Example: 20240184530. METHOD AND APPARATUS FOR IMPLEMENTING ON CHIP QUANTUM RANDOM NUMBER GENERATOR USING BETA DECAY (RANDAEMON sp. z o.o.)
• H04L9/14 (No explanation available)
  • Count: 4 patents
  • Example: 20240235825. QUANTUM KEY DISTRIBUTION-BASED QUANTUM DIGITAL SIGNATURE METHOD AND SYSTEM INCLUDING TRUSTED NODE (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION)
• H04L9/0631 (No explanation available)
  • Count: 4 patents
  • Example: 20240291642. SECURE AND PERFORMANT LONG DISTANCE QUANTUM KEY DISTRIBUTION (QKD) SYSTEM (Deutsche Telekom AG)

Top Companies in Quantum Cryptography

Wells Fargo Bank, N.A.

• Number of Quantum Cryptography patents: 5
• Top CPC codes:
  • H04L9/0852 (No explanation available): 4 patents
  • H04L9/302 (No explanation available): 3 patents
  • H04L9/0631 (No explanation available): 3 patents
• Recent patents:
  • 20240348433. QUANTUM PRIME NUMBER GENERATION (QPNG) (Wells Fargo Bank, N.A.) (20241017)
  • 20240364538. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY OPTIMIZATION (Wells Fargo Bank, N.A.) (20241031)
  • 20240031170. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY OPTIMIZATION (Wells Fargo Bank, N.A.) (20240125)

ARQIT LIMITED

• Number of Quantum Cryptography patents: 4
• Top CPC codes:
  • H04L9/0852 (No explanation available): 2 patents
  • H04L9/085 (No explanation available): 1 patents
  • H04L9/088 (No explanation available): 1 patents
• Recent patents:
  • 20240106641. KEY EXCHANGE PROTOCOL FOR SATELLITE BASED QUANTUM NETWORK (ARQIT LIMITED) (20240328)
  • 20240162992. A SYSTEM AND METHOD FOR TIME SYNCHRONISATION (ARQIT LIMITED) (20240516)
  • 20240204998. RANDOM NUMBER GENERATION IN QUANTUM KEY DISTRIBUTION (ARQIT LIMITED) (20240620)

NEC Corporation

• Number of Quantum Cryptography patents: 4
• Top CPC codes:
  • H04L9/0852 (No explanation available): 4 patents
  • H04L9/005 (No explanation available): 1 patents
  • H04L9/0819 (No explanation available): 1 patents
• Recent patents:
  • 20240080184. PHOTON DETECTION DEVICE, RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC Corporation) (20240307)
  • 20240283638. SHARED INFORMATION GENERATION IN CONTINUOUS-VARIABLE QUANTUM KEY DISTRIBUTION SYSTEM (NEC Corporation) (20240822)
  • 20240405977. RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC Corporation) (20241205)

KABUSHIKI KAISHA TOSHIBA

• Number of Quantum Cryptography patents: 4
• Top CPC codes:
  • H04L9/0852 (No explanation available): 2 patents
  • H04L9/0858 (No explanation available): 1 patents
  • H04L9/0819 (No explanation available): 1 patents
• Recent patents:
  • 20240204993. MULTIPLEXING DEVICE, QKD SYSTEM, QKD DEVICE, MULTIPLEXING METHOD, AND ADJUSTMENT METHOD (KABUSHIKI KAISHA TOSHIBA) (20240620)
  • 20240178995. QUANTUM CRYPTOGRAPHIC COMMUNICATION CONTROL DEVICE, QUANTUM CRYPTOGRAPHIC COMMUNICATION CONTROL METHOD, AND PROGRAM (KABUSHIKI KAISHA TOSHIBA) (20240530)
  • 20240039710. KM APPARATUS, QKD SYSTEM, KEY MANAGEMENT START CONTROL METHOD, AND COMPUTER PROGRAM PRODUCT (KABUSHIKI KAISHA TOSHIBA) (20240201)

KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION

• Number of Quantum Cryptography patents: 3
• Top CPC codes:
  • H04L9/0852 (No explanation available): 2 patents
  • H04L9/14 (No explanation available): 2 patents
  • H04L9/0819 (No explanation available): 1 patents
• Recent patents:
  • 20240235825. QUANTUM KEY DISTRIBUTION-BASED QUANTUM DIGITAL SIGNATURE METHOD AND SYSTEM INCLUDING TRUSTED NODE (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION) (20240711)
  • 20240007277. NETWORK APPARATUS FOR QUANTUM KEY DISTRIBUTION, AND OPERATION METHOD FOR QUANTUM KEY DISTRIBUTION NETWORK (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION) (20240104)
  • 20240340170. MANAGEMENT APPARATUS FOR QUANTUM KEY, AND MANAGEMENT METHOD QUANTUM KEY (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION) (20241010)

Intel Corporation

• Number of Quantum Cryptography patents: 3
• Top CPC codes:
  • H04L9/0869 (No explanation available): 2 patents
  • H04L9/3093 (No explanation available): 2 patents
  • H04L9/3247 (No explanation available): 1 patents
• Recent patents:
  • 20240267212. Post-Quantum Cryptography Key Encapsulation Mechanism System (Intel Corporation) (20240808)
  • 20240223381. POST-QUANTUM CRYPTOGRAPHY SIGNATURE VERIFICATION (Intel Corporation) (20240704)
  • 20240031140. EFFICIENT LOW-OVERHEAD SIDE-CHANNEL PROTECTION FOR POLYNOMIAL MULTIPLICATION IN POST-QUANTUM ENCRYPTION (Intel Corporation) (20240125)

NATIONAL UNIVERSITY OF SINGAPORE

• Number of Quantum Cryptography patents: 3
• Top CPC codes:
  • H04L9/0852 (No explanation available): 2 patents
  • G06F7/588 (No explanation available): 2 patents
  • H04L9/005 (No explanation available): 1 patents
• Recent patents:
  • 20240187207. METHOD FOR DETECTING BLINDING ATTACKS ON PHOTODETECTORS IN A QUANTUM CRYPTOGRAPHY SYSTEM (NATIONAL UNIVERSITY OF SINGAPORE) (20240606)
  • 20240097890. QUANTUM KEY TOKEN (NATIONAL UNIVERSITY OF SINGAPORE) (20240321)
  • 20240192923. SEMI-DEVICE-INDEPENDENT QUANTUM RANDOM NUMBER GENERATOR BASED ON HOMODYNE DETECTION (NATIONAL UNIVERSITY OF SINGAPORE) (20240613)

Terra Quantum AG

• Number of Quantum Cryptography patents: 3
• Top CPC codes:
  • H04L9/0852 (No explanation available): 3 patents
  • H04B10/70 (No explanation available): 1 patents
  • H04L9/0838 (No explanation available): 1 patents
• Recent patents:
  • 20240163087. METHOD AND SYSTEM FOR QUANTUM KEY DISTRIBUTION (Terra Quantum AG) (20240516)
  • 20240064010. System and Method for Quantum Key Distribution (Terra Quantum AG) (20240222)
  • 20240031139. QUANTUM KEY DISTRIBUTION DEVICE AND METHOD SUITABLE FOR ESTABLISHING A GLOBAL QUANTUM KEY DISTRIBUTION NETWORK (Terra Quantum AG) (20240125)

LG ELECTRONICS INC.

• Number of Quantum Cryptography patents: 3
• Top CPC codes:
  • H04L9/0852 (No explanation available): 2 patents
  • H04L9/0858 (No explanation available): 1 patents
  • H04B10/079 (No explanation available): 1 patents
• Recent patents:
  • 20240007278. METHOD AND DEVICE FOR CORRECTING POLARIZATION DISTORTION OF FARADAY ROTATOR MIRROR FOR QUANTUM KEY DISTRIBUTION IN COMMUNICATION SYSTEM (LG ELECTRONICS INC.) (20240104)
  • 20240056293. METHOD AND DEVICE FOR USING AUXILIARY INFORMATION BEING TRANSMITTED FROM FORWARD DIRECTION OF BIDIRECTIONAL QUANTUM KEY DISTRIBUTION PROCEDURE IN COMMUNICATION SYSTEM (LG ELECTRONICS INC.) (20240215)
  • 20240039641. METHOD AND DEVICE FOR CORRECTING POLARIZATION DISTORTION IN PLUG AND PLAY QUANTUM KEY DISTRIBUTION SYSTEM (LG ELECTRONICS INC.) (20240201)

UT-Battelle, LLC

• Number of Quantum Cryptography patents: 3
• Top CPC codes:
  • H04L9/0852 (No explanation available): 2 patents
  • H04B10/63 (No explanation available): 1 patents
  • H04B10/70 (No explanation available): 1 patents
• Recent patents:
  • 20240275493. HIGH SPEED REMOVAL OF BIAS OF A HOMODYNE DETECTOR USING A CLONE LOCAL OSCILLATOR (UT-Battelle, LLC) (20240815)
  • 20240113870. AUTHENTICATION OF SMART GRID COMMUNICATIONS USING QUANTUM KEY DISTRIBUTION (UT-Battelle, LLC) (20240404)
  • 20240154794. Site-To-Site Tunnel Authentication by Quantum Keys (UT-Battelle, LLC) (20240509)

New Companies in Quantum Cryptography (Last Month)

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No new companies detected in the last month.

Emerging Technology Areas in Quantum Cryptography

• H04B10/07957 (No explanation available)
  • Count: 1 patents
  • Example: 20240048372. SECURE MULTI-STATE QUANTUM KEY DISTRIBUTION WITH WAVELENGTH DIVISION MULTIPLEXING (Arizona Board of Regents on Behalf of Northern Arizona University)
• H04B10/503 (No explanation available)
  • Count: 1 patents
  • Example: 20240048242. OPTICAL TRANSMITTER FOR A QUANTUM KEY DISTRIBUTION SYSTEM (Kabushiki Kaisha Toshiba)
• H04L9/3231 (No explanation available)
  • Count: 1 patents
  • Example: 20240031159. Generating Synthetic Invisible Fingerprints for Metadata Security and Document Verification Using Generative Artifical Intelligence (Bank of America Corporation)
• H04L63/1441 (No explanation available)
  • Count: 1 patents
  • Example: 20240323163. SYSTEMS AND METHODS FOR SECURE COMMUNICATIONS (Crowley Government Services, Inc.)
• H04L63/0428 (No explanation available)
  • Count: 1 patents
  • Example: 20240323163. SYSTEMS AND METHODS FOR SECURE COMMUNICATIONS (Crowley Government Services, Inc.)
• H04L63/0209 (No explanation available)
  • Count: 1 patents
  • Example: 20240323163. SYSTEMS AND METHODS FOR SECURE COMMUNICATIONS (Crowley Government Services, Inc.)
• G01J2001/442 (No explanation available)
  • Count: 1 patents
  • Example: 20240333486. QUANTUM KEY DISTRIBUTION INFORMATION LEAKAGE DUE TO BACKFLASHES IN SINGLE PHOTON AVALANCHE PHOTODIODES (The MITRE Corporations)
• H04L63/1475 (No explanation available)
  • Count: 1 patents
  • Example: 20240333486. QUANTUM KEY DISTRIBUTION INFORMATION LEAKAGE DUE TO BACKFLASHES IN SINGLE PHOTON AVALANCHE PHOTODIODES (The MITRE Corporations)
• G01J1/0429 (No explanation available)
  • Count: 1 patents
  • Example: 20240333486. QUANTUM KEY DISTRIBUTION INFORMATION LEAKAGE DUE TO BACKFLASHES IN SINGLE PHOTON AVALANCHE PHOTODIODES (The MITRE Corporations)
• H04L63/02 (No explanation available)
  • Count: 1 patents
  • Example: 20240154794. Site-To-Site Tunnel Authentication by Quantum Keys (UT-Battelle, LLC)

Top Companies in Emerging Quantum Cryptography Technologies

• The MITRE Corporations: 3 patents
• Crowley Government Services, Inc.: 3 patents
• UT-Battelle, LLC: 1 patents
• Arizona Board of Regents on Behalf of Northern Arizona University: 1 patents
• Kabushiki Kaisha Toshiba: 1 patents
• Bank of America Corporation: 1 patents

Top Inventors in Quantum Cryptography

Omar Iqbal

• Number of Quantum Cryptography patents: 4
• Top companies:
  • ARQIT LIMITED: 4 patents
• Recent patents:
  • 20240106641. KEY EXCHANGE PROTOCOL FOR SATELLITE BASED QUANTUM NETWORK (ARQIT LIMITED) (20240328)
  • 20240162992. A SYSTEM AND METHOD FOR TIME SYNCHRONISATION (ARQIT LIMITED) (20240516)
  • 20240204998. RANDOM NUMBER GENERATION IN QUANTUM KEY DISTRIBUTION (ARQIT LIMITED) (20240620)

Yoshimichi TANIZAWA

• Number of Quantum Cryptography patents: 4
• Top companies:
  • KABUSHIKI KAISHA TOSHIBA: 3 patents
  • Kabushiki Kaisha Toshiba: 1 patents
• Recent patents:
  • 20240204993. MULTIPLEXING DEVICE, QKD SYSTEM, QKD DEVICE, MULTIPLEXING METHOD, AND ADJUSTMENT METHOD (KABUSHIKI KAISHA TOSHIBA) (20240620)
  • 20240039710. KM APPARATUS, QKD SYSTEM, KEY MANAGEMENT START CONTROL METHOD, AND COMPUTER PROGRAM PRODUCT (KABUSHIKI KAISHA TOSHIBA) (20240201)
  • 20240039713. QKD APPARATUS, QKD SYSTEM, QKD START CONTROL METHOD, AND COMPUTER PROGRAM PRODUCT (Kabushiki Kaisha Toshiba) (20240201)

Pierre Arbajian of Matthews NC (US)

• Number of Quantum Cryptography patents: 4
• Top companies:
  • Wells Fargo Bank, N.A.: 4 patents
• Recent patents:
  • 20240204996. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY COMMUNICATIONS CHANNELS (Wells Fargo Bank, N.A.) (20240620)
  • 20240364538. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY OPTIMIZATION (Wells Fargo Bank, N.A.) (20241031)
  • 20240031170. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY OPTIMIZATION (Wells Fargo Bank, N.A.) (20240125)

Won Hyuk LEE

• Number of Quantum Cryptography patents: 3
• Top companies:
  • KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION: 3 patents
• Recent patents:
  • 20240235825. QUANTUM KEY DISTRIBUTION-BASED QUANTUM DIGITAL SIGNATURE METHOD AND SYSTEM INCLUDING TRUSTED NODE (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION) (20240711)
  • 20240007277. NETWORK APPARATUS FOR QUANTUM KEY DISTRIBUTION, AND OPERATION METHOD FOR QUANTUM KEY DISTRIBUTION NETWORK (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION) (20240104)
  • 20240340170. MANAGEMENT APPARATUS FOR QUANTUM KEY, AND MANAGEMENT METHOD QUANTUM KEY (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION) (20241010)

Andrew Yeomans

• Number of Quantum Cryptography patents: 3
• Top companies:
  • ARQIT LIMITED: 3 patents
• Recent patents:
  • 20240129116. KEY EXCHANGE PROTOCOL FOR SATELLITE BASED QUANTUM NETWORK (ARQIT LIMITED) (20240418)
  • 20240106641. KEY EXCHANGE PROTOCOL FOR SATELLITE BASED QUANTUM NETWORK (ARQIT LIMITED) (20240328)
  • 20240204998. RANDOM NUMBER GENERATION IN QUANTUM KEY DISTRIBUTION (ARQIT LIMITED) (20240620)

Sangrim LEE

• Number of Quantum Cryptography patents: 3
• Top companies:
  • LG ELECTRONICS INC.: 3 patents
• Recent patents:
  • 20240007278. METHOD AND DEVICE FOR CORRECTING POLARIZATION DISTORTION OF FARADAY ROTATOR MIRROR FOR QUANTUM KEY DISTRIBUTION IN COMMUNICATION SYSTEM (LG ELECTRONICS INC.) (20240104)
  • 20240056293. METHOD AND DEVICE FOR USING AUXILIARY INFORMATION BEING TRANSMITTED FROM FORWARD DIRECTION OF BIDIRECTIONAL QUANTUM KEY DISTRIBUTION PROCEDURE IN COMMUNICATION SYSTEM (LG ELECTRONICS INC.) (20240215)
  • 20240039641. METHOD AND DEVICE FOR CORRECTING POLARIZATION DISTORTION IN PLUG AND PLAY QUANTUM KEY DISTRIBUTION SYSTEM (LG ELECTRONICS INC.) (20240201)

Hojae LEE

• Number of Quantum Cryptography patents: 3
• Top companies:
  • LG ELECTRONICS INC.: 3 patents
• Recent patents:
  • 20240007278. METHOD AND DEVICE FOR CORRECTING POLARIZATION DISTORTION OF FARADAY ROTATOR MIRROR FOR QUANTUM KEY DISTRIBUTION IN COMMUNICATION SYSTEM (LG ELECTRONICS INC.) (20240104)
  • 20240056293. METHOD AND DEVICE FOR USING AUXILIARY INFORMATION BEING TRANSMITTED FROM FORWARD DIRECTION OF BIDIRECTIONAL QUANTUM KEY DISTRIBUTION PROCEDURE IN COMMUNICATION SYSTEM (LG ELECTRONICS INC.) (20240215)
  • 20240039641. METHOD AND DEVICE FOR CORRECTING POLARIZATION DISTORTION IN PLUG AND PLAY QUANTUM KEY DISTRIBUTION SYSTEM (LG ELECTRONICS INC.) (20240201)

Byungkyu AHN

• Number of Quantum Cryptography patents: 3
• Top companies:
  • LG ELECTRONICS INC.: 3 patents
• Recent patents:
  • 20240007278. METHOD AND DEVICE FOR CORRECTING POLARIZATION DISTORTION OF FARADAY ROTATOR MIRROR FOR QUANTUM KEY DISTRIBUTION IN COMMUNICATION SYSTEM (LG ELECTRONICS INC.) (20240104)
  • 20240056293. METHOD AND DEVICE FOR USING AUXILIARY INFORMATION BEING TRANSMITTED FROM FORWARD DIRECTION OF BIDIRECTIONAL QUANTUM KEY DISTRIBUTION PROCEDURE IN COMMUNICATION SYSTEM (LG ELECTRONICS INC.) (20240215)
  • 20240039641. METHOD AND DEVICE FOR CORRECTING POLARIZATION DISTORTION IN PLUG AND PLAY QUANTUM KEY DISTRIBUTION SYSTEM (LG ELECTRONICS INC.) (20240201)

Bradford A. Shea of Mint Hill NC (US)

• Number of Quantum Cryptography patents: 3
• Top companies:
  • Wells Fargo Bank, N.A.: 3 patents
• Recent patents:
  • 20240204996. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY COMMUNICATIONS CHANNELS (Wells Fargo Bank, N.A.) (20240620)
  • 20240364538. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY OPTIMIZATION (Wells Fargo Bank, N.A.) (20241031)
  • 20240031170. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY OPTIMIZATION (Wells Fargo Bank, N.A.) (20240125)

M. Erik Meinholz of Charlotte NC (US)

• Number of Quantum Cryptography patents: 3
• Top companies:
  • Wells Fargo Bank, N.A.: 3 patents
• Recent patents:
  • 20240204996. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY COMMUNICATIONS CHANNELS (Wells Fargo Bank, N.A.) (20240620)
  • 20240364538. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY OPTIMIZATION (Wells Fargo Bank, N.A.) (20241031)
  • 20240031170. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY OPTIMIZATION (Wells Fargo Bank, N.A.) (20240125)

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

• Number of Quantum Cryptography patents: 3
• Top companies:
  • Wells Fargo Bank, N.A.: 3 patents
• Recent patents:
  • 20240204996. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY COMMUNICATIONS CHANNELS (Wells Fargo Bank, N.A.) (20240620)
  • 20240364538. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY OPTIMIZATION (Wells Fargo Bank, N.A.) (20241031)
  • 20240031170. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY OPTIMIZATION (Wells Fargo Bank, N.A.) (20240125)

Abhijit Rao of Irvine CA (US)

• Number of Quantum Cryptography patents: 3
• Top companies:
  • Wells Fargo Bank, N.A.: 3 patents
• Recent patents:
  • 20240204996. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY COMMUNICATIONS CHANNELS (Wells Fargo Bank, N.A.) (20240620)
  • 20240364538. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY OPTIMIZATION (Wells Fargo Bank, N.A.) (20241031)
  • 20240031170. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY OPTIMIZATION (Wells Fargo Bank, N.A.) (20240125)

Peter Bordow of Fountain Hills AZ (US)

• Number of Quantum Cryptography patents: 3
• Top companies:
  • Wells Fargo Bank, N.A.: 3 patents
• Recent patents:
  • 20240204996. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY COMMUNICATIONS CHANNELS (Wells Fargo Bank, N.A.) (20240620)
  • 20240364538. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY OPTIMIZATION (Wells Fargo Bank, N.A.) (20241031)
  • 20240031170. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY OPTIMIZATION (Wells Fargo Bank, N.A.) (20240125)

Ravi K. Maganti of Waxhaw NC (US)

• Number of Quantum Cryptography patents: 3
• Top companies:
  • Wells Fargo Bank, N.A.: 3 patents
• Recent patents:
  • 20240204996. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY COMMUNICATIONS CHANNELS (Wells Fargo Bank, N.A.) (20240620)
  • 20240364538. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY OPTIMIZATION (Wells Fargo Bank, N.A.) (20241031)
  • 20240031170. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY OPTIMIZATION (Wells Fargo Bank, N.A.) (20240125)

Hyunchul Jung

• Number of Quantum Cryptography patents: 3
• Top companies:
  • NORMA Inc.: 3 patents
• Recent patents:
  • 20240080182. METHOD FOR FORMING VIRTUAL PRIVATE NETWORK PROVIDING VIRTUAL PRIVATE NETWORK THROUGH SEALED KEY EXCHANGE BASED ON POST QUANTUM CRYPTOGRAPHY AND SYSTEM FOR OPERATING VIRTUAL PRIVATE NETWORK PERFORMING SAME (NORMA Inc.) (20240307)
  • 20240080183. METHOD FOR FORMING BLUETOOTH NETWORK PERFORMING COMMUNICATION BASED ON POST-QUANTUM CRYPTOGRAPHY AT APPLICATION LEVEL AND OPERATING BLUETOOTH NETWORK OPERATING SYSTEM PERFORMING SAME (NORMA Inc.) (20240307)
  • 20240080187. METHOD FOR FORMING VIRTUAL PRIVATE NETWORK WHICH PROVIDES VIRTUAL PRIVATE NETWORK USING KEY GENERATED BASED ON POST QUANTUM CRYPTOGRAPHY, AND VIRTUAL PRIVATE NETWORK OPERATING SYSTEM PERFORMING SAME (NORMA Inc.) (20240307)

Chang Nyoung Song

• Number of Quantum Cryptography patents: 3
• Top companies:
  • NORMA Inc.: 3 patents
• Recent patents:
  • 20240080182. METHOD FOR FORMING VIRTUAL PRIVATE NETWORK PROVIDING VIRTUAL PRIVATE NETWORK THROUGH SEALED KEY EXCHANGE BASED ON POST QUANTUM CRYPTOGRAPHY AND SYSTEM FOR OPERATING VIRTUAL PRIVATE NETWORK PERFORMING SAME (NORMA Inc.) (20240307)
  • 20240080183. METHOD FOR FORMING BLUETOOTH NETWORK PERFORMING COMMUNICATION BASED ON POST-QUANTUM CRYPTOGRAPHY AT APPLICATION LEVEL AND OPERATING BLUETOOTH NETWORK OPERATING SYSTEM PERFORMING SAME (NORMA Inc.) (20240307)
  • 20240080187. METHOD FOR FORMING VIRTUAL PRIVATE NETWORK WHICH PROVIDES VIRTUAL PRIVATE NETWORK USING KEY GENERATED BASED ON POST QUANTUM CRYPTOGRAPHY, AND VIRTUAL PRIVATE NETWORK OPERATING SYSTEM PERFORMING SAME (NORMA Inc.) (20240307)

Ken-ichiro YOSHINO

• Number of Quantum Cryptography patents: 3
• Top companies:
  • NEC Corporation: 2 patents
  • NEC CORPORATION: 1 patents
• Recent patents:
  • 20240080184. PHOTON DETECTION DEVICE, RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC Corporation) (20240307)
  • 20240405977. RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC Corporation) (20241205)
  • 20240089093. RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC CORPORATION) (20240314)

Mikio FUJIWARA

• Number of Quantum Cryptography patents: 3
• Top companies:
  • NEC Corporation: 2 patents
  • NEC CORPORATION: 1 patents
• Recent patents:
  • 20240080184. PHOTON DETECTION DEVICE, RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC Corporation) (20240307)
  • 20240405977. RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC Corporation) (20241205)
  • 20240089093. RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC CORPORATION) (20240314)

Akihisa TOMITA

• Number of Quantum Cryptography patents: 3
• Top companies:
  • NEC Corporation: 2 patents
  • NEC CORPORATION: 1 patents
• Recent patents:
  • 20240080184. PHOTON DETECTION DEVICE, RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC Corporation) (20240307)
  • 20240405977. RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC Corporation) (20241205)
  • 20240089093. RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC CORPORATION) (20240314)

Masato KOASHI

• Number of Quantum Cryptography patents: 3
• Top companies:
  • NEC Corporation: 2 patents
  • NEC CORPORATION: 1 patents
• Recent patents:
  • 20240080184. PHOTON DETECTION DEVICE, RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC Corporation) (20240307)
  • 20240405977. RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC Corporation) (20241205)
  • 20240089093. RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC CORPORATION) (20240314)

Masahiro TAKEOKA

• Number of Quantum Cryptography patents: 3
• Top companies:
  • NEC Corporation: 2 patents
  • NEC CORPORATION: 1 patents
• Recent patents:
  • 20240080184. PHOTON DETECTION DEVICE, RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC Corporation) (20240307)
  • 20240405977. RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC Corporation) (20241205)
  • 20240089093. RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC CORPORATION) (20240314)

Leigh Griffin

• Number of Quantum Cryptography patents: 3
• Top companies:
  • Red Hat, Inc.: 3 patents
• Recent patents:
  • 20240405978. EAVESDROPPER IDENTIFICATION AND CONTAINER IMAGE LAYER INVALIDATION (Red Hat, Inc.) (20241205)
  • 20240364543. SECURE TRANSMISSION OF CONTENT UPDATES VIA QKD NETWORKS (Red Hat, Inc.) (20241031)
  • 20240333483. MEDIA STREAM TRANSMISSION PROTECTION THROUGH QKD NETWORKS (Red Hat, Inc.) (20241003)

Stephen Coady

• Number of Quantum Cryptography patents: 3
• Top companies:
  • Red Hat, Inc.: 3 patents
• Recent patents:
  • 20240405978. EAVESDROPPER IDENTIFICATION AND CONTAINER IMAGE LAYER INVALIDATION (Red Hat, Inc.) (20241205)
  • 20240364543. SECURE TRANSMISSION OF CONTENT UPDATES VIA QKD NETWORKS (Red Hat, Inc.) (20241031)
  • 20240333483. MEDIA STREAM TRANSMISSION PROTECTION THROUGH QKD NETWORKS (Red Hat, Inc.) (20241003)

Barry Childe

• Number of Quantum Cryptography patents: 2
• Top companies:
  • ARQIT LIMITED: 2 patents
• Recent patents:
  • 20240129116. KEY EXCHANGE PROTOCOL FOR SATELLITE BASED QUANTUM NETWORK (ARQIT LIMITED) (20240418)
  • 20240106641. KEY EXCHANGE PROTOCOL FOR SATELLITE BASED QUANTUM NETWORK (ARQIT LIMITED) (20240328)

Bing Qi of Knoxville TN (US)

• Number of Quantum Cryptography patents: 2
• Top companies:
  • Cisco Technology, Inc.: 2 patents
• Recent patents:
  • 20240291641. PACKET-SWITCHING QUANTUM KEY DISTRIBUTION (Cisco Technology, Inc.) (20240829)
  • 20240072907. HYBRID COHERENT OPTICAL TRANSCEIVER FOR QUANTUM AND CLASSICAL COMMUNICATION (Cisco Technology, Inc.) (20240229)

Santosh Ghosh of Hillsboro OR (US)

• Number of Quantum Cryptography patents: 2
• Top companies:
  • Intel Corporation: 2 patents
• Recent patents:
  • 20240267212. Post-Quantum Cryptography Key Encapsulation Mechanism System (Intel Corporation) (20240808)
  • 20240223381. POST-QUANTUM CRYPTOGRAPHY SIGNATURE VERIFICATION (Intel Corporation) (20240704)

Nikita Kirsanov

• Number of Quantum Cryptography patents: 2
• Top companies:
  • Terra Quantum AG: 2 patents
• Recent patents:
  • 20240163087. METHOD AND SYSTEM FOR QUANTUM KEY DISTRIBUTION (Terra Quantum AG) (20240516)
  • 20240064010. System and Method for Quantum Key Distribution (Terra Quantum AG) (20240222)

Mikhail Yarovikov

• Number of Quantum Cryptography patents: 2
• Top companies:
  • Terra Quantum AG: 2 patents
• Recent patents:
  • 20240163087. METHOD AND SYSTEM FOR QUANTUM KEY DISTRIBUTION (Terra Quantum AG) (20240516)
  • 20240064010. System and Method for Quantum Key Distribution (Terra Quantum AG) (20240222)

Chan Kyun LEE

• Number of Quantum Cryptography patents: 2
• Top companies:
  • KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION: 2 patents
• Recent patents:
  • 20240007277. NETWORK APPARATUS FOR QUANTUM KEY DISTRIBUTION, AND OPERATION METHOD FOR QUANTUM KEY DISTRIBUTION NETWORK (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION) (20240104)
  • 20240340170. MANAGEMENT APPARATUS FOR QUANTUM KEY, AND MANAGEMENT METHOD QUANTUM KEY (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION) (20241010)

Yong Hwan KIM

• Number of Quantum Cryptography patents: 2
• Top companies:
  • KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION: 2 patents
• Recent patents:
  • 20240007277. NETWORK APPARATUS FOR QUANTUM KEY DISTRIBUTION, AND OPERATION METHOD FOR QUANTUM KEY DISTRIBUTION NETWORK (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION) (20240104)
  • 20240340170. MANAGEMENT APPARATUS FOR QUANTUM KEY, AND MANAGEMENT METHOD QUANTUM KEY (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION) (20241010)

Kyu Seok SHIM

• Number of Quantum Cryptography patents: 2
• Top companies:
  • KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION: 2 patents
• Recent patents:
  • 20240007277. NETWORK APPARATUS FOR QUANTUM KEY DISTRIBUTION, AND OPERATION METHOD FOR QUANTUM KEY DISTRIBUTION NETWORK (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION) (20240104)
  • 20240340170. MANAGEMENT APPARATUS FOR QUANTUM KEY, AND MANAGEMENT METHOD QUANTUM KEY (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION) (20241010)

Jayeong KIM

• Number of Quantum Cryptography patents: 2
• Top companies:
  • LG ELECTRONICS INC.: 2 patents
• Recent patents:
  • 20240007278. METHOD AND DEVICE FOR CORRECTING POLARIZATION DISTORTION OF FARADAY ROTATOR MIRROR FOR QUANTUM KEY DISTRIBUTION IN COMMUNICATION SYSTEM (LG ELECTRONICS INC.) (20240104)
  • 20240056293. METHOD AND DEVICE FOR USING AUXILIARY INFORMATION BEING TRANSMITTED FROM FORWARD DIRECTION OF BIDIRECTIONAL QUANTUM KEY DISTRIBUTION PROCEDURE IN COMMUNICATION SYSTEM (LG ELECTRONICS INC.) (20240215)

Xiongfeng MA

• Number of Quantum Cryptography patents: 2
• Top companies:
  • TSINGHUA UNIVERSITY: 2 patents
• Recent patents:
  • 20240340171. METHOD AND APPARATUS FOR IMPLEMENTING PRIVACY AMPLIFICATION IN QUANTUM KEY DISTRIBUTION (TSINGHUA UNIVERSITY) (20241010)
  • 20240333487. METHOD AND APPARATUS FOR ENHANCING SECURITY OF QUANTUM KEY DISTRIBUTION NETWORK (TSINGHUA UNIVERSITY) (20241003)

Yizhi HUANG

• Number of Quantum Cryptography patents: 2
• Top companies:
  • TSINGHUA UNIVERSITY: 2 patents
• Recent patents:
  • 20240340171. METHOD AND APPARATUS FOR IMPLEMENTING PRIVACY AMPLIFICATION IN QUANTUM KEY DISTRIBUTION (TSINGHUA UNIVERSITY) (20241010)
  • 20240333487. METHOD AND APPARATUS FOR ENHANCING SECURITY OF QUANTUM KEY DISTRIBUTION NETWORK (TSINGHUA UNIVERSITY) (20241003)

Robert L. Carter, JR. of Pleasant Hill IA (US)

• Number of Quantum Cryptography patents: 2
• Top companies:
  • Wells Fargo Bank, N.A.: 2 patents
• Recent patents:
  • 20240204996. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY COMMUNICATIONS CHANNELS (Wells Fargo Bank, N.A.) (20240620)
  • 20240364538. SYSTEMS AND METHODS FOR POST-QUANTUM CRYPTOGRAPHY OPTIMIZATION (Wells Fargo Bank, N.A.) (20241031)

Wen TONG

• Number of Quantum Cryptography patents: 2
• Top companies:
  • HUAWEI TECHNOLOGIES CANADA CO., LTD.: 2 patents
• Recent patents:
  • 20240204999. METHODS AND SYSTEMS OF MULTI-USER QUANTUM KEY DISTRIBUTION AND MANAGEMENT (HUAWEI TECHNOLOGIES CANADA CO., LTD.) (20240620)
  • 20240214191. METHODS AND SYSTEMS FOR A 2-QUBIT MULTI-USER QUANTUM KEY DISTRIBUTION PROTOCOL (HUAWEI TECHNOLOGIES CANADA CO., LTD.) (20240627)

Sheng SUN

• Number of Quantum Cryptography patents: 2
• Top companies:
  • HUAWEI TECHNOLOGIES CANADA CO., LTD.: 2 patents
• Recent patents:
  • 20240204999. METHODS AND SYSTEMS OF MULTI-USER QUANTUM KEY DISTRIBUTION AND MANAGEMENT (HUAWEI TECHNOLOGIES CANADA CO., LTD.) (20240620)
  • 20240214191. METHODS AND SYSTEMS FOR A 2-QUBIT MULTI-USER QUANTUM KEY DISTRIBUTION PROTOCOL (HUAWEI TECHNOLOGIES CANADA CO., LTD.) (20240627)

Masahide SASAKI

• Number of Quantum Cryptography patents: 2
• Top companies:
  • NEC Corporation: 1 patents
  • NEC CORPORATION: 1 patents
• Recent patents:
  • 20240080184. PHOTON DETECTION DEVICE, RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC Corporation) (20240307)
  • 20240089093. RECEPTION DEVICE, QUANTUM KEY DISTRIBUTION SYSTEM, AND METHOD FOR DETECTING QUANTUM SIGNAL (NEC CORPORATION) (20240314)

Davide BACCO

• Number of Quantum Cryptography patents: 2
• Top companies:
  • QTI SRL: 2 patents
• Recent patents:
  • 20240214189. QUANTUM KEY DISTRIBUTION TRANSMITTER (QTI SRL) (20240627)
  • 20240243816. WEAK PULSE DETECTION FOR DISCRETE-VARIABLE QUANTUM KEY DISTRIBUTION RECEIVER AND METHOD (QTI SRL) (20240718)

Francesco Saverio CATALIOTTI

• Number of Quantum Cryptography patents: 2
• Top companies:
  • QTI SRL: 2 patents
• Recent patents:
  • 20240214189. QUANTUM KEY DISTRIBUTION TRANSMITTER (QTI SRL) (20240627)
  • 20240243816. WEAK PULSE DETECTION FOR DISCRETE-VARIABLE QUANTUM KEY DISTRIBUTION RECEIVER AND METHOD (QTI SRL) (20240718)

Paolo DE NATALE

• Number of Quantum Cryptography patents: 2
• Top companies:
  • QTI SRL: 2 patents
• Recent patents:
  • 20240214189. QUANTUM KEY DISTRIBUTION TRANSMITTER (QTI SRL) (20240627)
  • 20240243816. WEAK PULSE DETECTION FOR DISCRETE-VARIABLE QUANTUM KEY DISTRIBUTION RECEIVER AND METHOD (QTI SRL) (20240718)

Tommaso OCCHIPINTI

• Number of Quantum Cryptography patents: 2
• Top companies:
  • QTI SRL: 2 patents
• Recent patents:
  • 20240214189. QUANTUM KEY DISTRIBUTION TRANSMITTER (QTI SRL) (20240627)
  • 20240243816. WEAK PULSE DETECTION FOR DISCRETE-VARIABLE QUANTUM KEY DISTRIBUTION RECEIVER AND METHOD (QTI SRL) (20240718)

Iliaria VAGNILUCA

• Number of Quantum Cryptography patents: 2
• Top companies:
  • QTI SRL: 2 patents
• Recent patents:
  • 20240214189. QUANTUM KEY DISTRIBUTION TRANSMITTER (QTI SRL) (20240627)
  • 20240243816. WEAK PULSE DETECTION FOR DISCRETE-VARIABLE QUANTUM KEY DISTRIBUTION RECEIVER AND METHOD (QTI SRL) (20240718)

Alessandro ZAVATTA

• Number of Quantum Cryptography patents: 2
• Top companies:
  • QTI SRL: 2 patents
• Recent patents:
  • 20240214189. QUANTUM KEY DISTRIBUTION TRANSMITTER (QTI SRL) (20240627)
  • 20240243816. WEAK PULSE DETECTION FOR DISCRETE-VARIABLE QUANTUM KEY DISTRIBUTION RECEIVER AND METHOD (QTI SRL) (20240718)

Koon Tong GOH

• Number of Quantum Cryptography patents: 2
• Top companies:
  • NATIONAL UNIVERSITY OF SINGAPORE: 2 patents
• Recent patents:
  • 20240097890. QUANTUM KEY TOKEN (NATIONAL UNIVERSITY OF SINGAPORE) (20240321)
  • 20240192923. SEMI-DEVICE-INDEPENDENT QUANTUM RANDOM NUMBER GENERATOR BASED ON HOMODYNE DETECTION (NATIONAL UNIVERSITY OF SINGAPORE) (20240613)

Ci Wen LIM

• Number of Quantum Cryptography patents: 2
• Top companies:
  • NATIONAL UNIVERSITY OF SINGAPORE: 2 patents
• Recent patents:
  • 20240097890. QUANTUM KEY TOKEN (NATIONAL UNIVERSITY OF SINGAPORE) (20240321)
  • 20240192923. SEMI-DEVICE-INDEPENDENT QUANTUM RANDOM NUMBER GENERATOR BASED ON HOMODYNE DETECTION (NATIONAL UNIVERSITY OF SINGAPORE) (20240613)

Il Kwon SOHN

• Number of Quantum Cryptography patents: 1
• Top companies:
  • KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION: 1 patents
• Recent patents:
  • 20240235825. QUANTUM KEY DISTRIBUTION-BASED QUANTUM DIGITAL SIGNATURE METHOD AND SYSTEM INCLUDING TRUSTED NODE (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION) (20240711)

Kwang Il BAE

• Number of Quantum Cryptography patents: 1
• Top companies:
  • KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION: 1 patents
• Recent patents:
  • 20240235825. QUANTUM KEY DISTRIBUTION-BASED QUANTUM DIGITAL SIGNATURE METHOD AND SYSTEM INCLUDING TRUSTED NODE (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION) (20240711)

Eun Joo LEE

• Number of Quantum Cryptography patents: 1
• Top companies:
  • KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION: 1 patents
• Recent patents:
  • 20240235825. QUANTUM KEY DISTRIBUTION-BASED QUANTUM DIGITAL SIGNATURE METHOD AND SYSTEM INCLUDING TRUSTED NODE (KOREA INSTITUTE OF SCIENCE & TECHNOLOGY INFORMATION) (20240711)

Elad MENTOVICH

• Number of Quantum Cryptography patents: 1
• Top companies:
  • Mellanox Technologies, Ltd.: 1 patents
• Recent patents:
  • 20240235826. HYBRID QUANTUM KEY DISTRIBUTION LINK FOR AN OPTICAL TRANSCEIVER (Mellanox Technologies, Ltd.) (20240711)

Top Collaborations in Quantum Cryptography

Top US States for Quantum Cryptography Inventors

Top Cities for Quantum Cryptography Inventors

• Daejeon: 19 inventors
• Tokyo: 19 inventors
• Seoul: 19 inventors
• St. Gallen: 17 inventors
• Singapore: 10 inventors
• Musashino-shi, Tokyo: 8 inventors
• Knoxville: 7 inventors
• Wuhan: 6 inventors
• Firenze: 6 inventors
• Flagstaff: 6 inventors
• New Delhi: 6 inventors
• Sejong-si: 4 inventors
• Yokohama Kanagawa: 4 inventors
• Matthews: 4 inventors
• Charlotte: 4 inventors
• Oak Ridge: 4 inventors
• Beijing: 4 inventors
• O'Fallon: 4 inventors
• ELANCOURT: 4 inventors
• Cambridge: 4 inventors