Inventor · disambiguated record
Ririka Takahashi
Also filed as: TAKAHASHI RIRIKA
18 granted patents·5 pending applications·34 citations·filing 2013–2025
89Inventor score
Technology areasH04L
Files withTOSHIBA KK23
Top patents by PatentIndex Score
23 records- 0192US12341879B2Key management device, quantum cryptography communication system, and computer program productTOSHIBA KK·Filed 2022·Granted Jun 24, 2025·3 cites·10 claims
- 0291US9356780B2Device, method, and system for encrypted communication by using encryption keyTOSHIBA KK·Filed 2014·Granted May 31, 2016·17 cites·8 claims
- 0375US9455827B2Communication apparatus, computer program product, and communication systemTOSHIBA KK·Filed 2014·Granted Sep 27, 2016·4 cites·9 claims
- 0472US10439807B2Communication device, communication system, and communication methodTOSHIBA KK·Filed 2017·Granted Oct 8, 2019·2 cites·12 claims
- 0571US10341097B2Communication device, quantum key distribution system, quantum key distribution method, and computer program productTOSHIBA KK·Filed 2016·Granted Jul 2, 2019·2 cites·6 claims
- 0668US9509589B2Communication device, communication system, communication method, and computer program productTOSHIBA KK·Filed 2014·Granted Nov 29, 2016·2 cites·9 claims
- 0767US9450929B2Communication device, communication system, and computer program productTOSHIBA KK·Filed 2013·Granted Sep 20, 2016·2 cites·13 claims
- 0862US10223182B2Communication device, communication system, and computer program productTOSHIBA KK·Filed 2015·Granted Mar 5, 2019·1 cites·14 claims
- 0960US9350542B2Quantum key distribution device, quantum key distribution system, and quantum key distribution methodTOSHIBA KK·Filed 2015·Granted May 24, 2016·1 cites·8 claims
- 1056US2025097031A1Information processing device, qkd network system, information processing method, and computer program productTOSHIBA KK·Filed 2024·Application pending·0 cites
- 1153US2024178995A1Quantum cryptographic communication control device, quantum cryptographic communication control method, and programTOSHIBA KK·Filed 2023·Application pending·0 cites
- 1253US2025286708A1Information processing device, quantum cryptographic communication system, information processing method, and computer program productTOSHIBA KK·Filed 2025·Application pending·0 cites
- 1352US12198167B2Quantum cryptographic device, quantum cryptographic communication fee calculation system, and quantum cryptographic communication fee calculation methodTOSHIBA KK·Filed 2021·Granted Jan 14, 2025·0 cites·16 claims
- 1451US12231553B2Key management device, quantum cryptography communication system, and computer program productTOSHIBA KK·Filed 2022·Granted Feb 18, 2025·0 cites·12 claims
- 1551US11764952B2Application-key management system, application-key management device, application-key management method, and computer program productTOSHIBA KK·Filed 2021·Granted Sep 19, 2023·0 cites·9 claims
- 1650US12316747B2Key management device, quantum cryptography communication system, and programTOSHIBA KK·Filed 2022·Granted May 27, 2025·0 cites·10 claims
- 1750US11115198B2Key generation device, key generation method, and computer program productTOSHIBA KK·Filed 2019·Granted Sep 7, 2021·0 cites·10 claims
- 1849US12341881B2Quantum cryptography communication system, quantum cryptography communication device, key management device, and computer program productTOSHIBA KK·Filed 2022·Granted Jun 24, 2025·0 cites·10 claims
- 1947US9928370B2Communication device, communication method, computer program product, and communication systemTOSHIBA KK·Filed 2014·Granted Mar 27, 2018·0 cites·9 claims
- 2043US2014143443A1Communication device, communication system, and computer program productTOSHIBA KK·Filed 2013·Application pending·0 cites
- 2139US2018255039A1Key sharing device, key sharing system, key sharing method, and computer program productTOSHIBA KK·Filed 2017·Application pending·0 cites
- 2237US9768954B2Quantum key distribution device, quantum key distribution system, and computer program productTOSHIBA KK·Filed 2015·Granted Sep 19, 2017·0 cites·8 claims
- 2336US10348492B2Quantum key distribution device, quantum key distribution system, and quantum key distribution methodTOSHIBA KK·Filed 2015·Granted Jul 9, 2019·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →