Inventor
TAKAHASHI RIRIKA
JP18 patents
Patents
18 patentsUS9356780B2May 31, 2016
Device, method, and system for encrypted communication by using encryption key
TOSHIBA KK17 citations84
US12341879B2Jun 24, 2025
Key management device, quantum cryptography communication system, and computer program product
TOSHIBA KK3 citations74
US10439807B2Oct 8, 2019
Communication device, communication system, and communication method
TOSHIBA KK2 citations72
US10341097B2Jul 2, 2019
Communication device, quantum key distribution system, quantum key distribution method, and computer program product
TOSHIBA KK2 citations72
US9455827B2Sep 27, 2016
Communication apparatus, computer program product, and communication system
TOSHIBA KK4 citations72
US9509589B2Nov 29, 2016
Communication device, communication system, communication method, and computer program product
TOSHIBA KK2 citations62
US9450929B2Sep 20, 2016
Communication device, communication system, and computer program product
TOSHIBA KK2 citations62
US12198167B2Jan 14, 2025
Quantum cryptographic device, quantum cryptographic communication fee calculation system, and quantum cryptographic communication fee calculation method
TOSHIBA KK0 citations61
US11764952B2Sep 19, 2023
Application-key management system, application-key management device, application-key management method, and computer program product
TOSHIBA KK0 citations61
US11115198B2Sep 7, 2021
Key generation device, key generation method, and computer program product
TOSHIBA KK0 citations61
US10223182B2Mar 5, 2019
Communication device, communication system, and computer program product
TOSHIBA KK1 citations61
US12316747B2May 27, 2025
Key management device, quantum cryptography communication system, and program
TOSHIBA KK0 citations51
US12231553B2Feb 18, 2025
Key management device, quantum cryptography communication system, and computer program product
TOSHIBA KK0 citations51
US9350542B2May 24, 2016
Quantum key distribution device, quantum key distribution system, and quantum key distribution method
TOSHIBA KK1 citations51
US12341881B2Jun 24, 2025
Quantum cryptography communication system, quantum cryptography communication device, key management device, and computer program product
TOSHIBA KK0 citations47
US9928370B2Mar 27, 2018
Communication device, communication method, computer program product, and communication system
TOSHIBA KK0 citations42
US10348492B2Jul 9, 2019
Quantum key distribution device, quantum key distribution system, and quantum key distribution method
TOSHIBA KK0 citations41
US9768954B2Sep 19, 2017
Quantum key distribution device, quantum key distribution system, and computer program product
TOSHIBA KK0 citations41