Inventor · disambiguated record
Toshiyuki Isshiki
Also filed as: ISSHIKI TOSHIYUKI
39 granted patents·28 pending applications·50 citations·filing 2006–2025
95Inventor score
Top patents by PatentIndex Score
67 records- 0191US11882218B2Matching system, method, apparatus, and programNEC CORP·Filed 2021·Granted Jan 23, 2024·3 cites·14 claims
- 0286US10503915B2Encrypted text verification system, method and recording mediumNEC CORP·Filed 2016·Granted Dec 10, 2019·6 cites·20 claims
- 0383US9349023B2Database encryption system, method, and programNEC CORP·Filed 2014·Granted May 24, 2016·6 cites·29 claims
- 0482US10484182B2Encrypted text verification system, method, and recording mediumNEC CORP·Filed 2015·Granted Nov 19, 2019·5 cites·17 claims
- 0582US8812877B2Database encryption system, method, and programMORI KENGO·Filed 2012·Granted Aug 19, 2014·7 cites·23 claims
- 0676US11849019B2Encryption system, key generation apparatus, key generation method, key generation program, and homomorphic operation apparatusNEC CORP·Filed 2019·Granted Dec 19, 2023·3 cites·16 claims
- 0775US10211986B2Program collation system, node, collation method, and computer-readable mediumNEC CORP·Filed 2014·Granted Feb 19, 2019·4 cites·14 claims
- 0873US11283612B2Information processing device, verification device, and information processing systemNEC CORP·Filed 2017·Granted Mar 22, 2022·2 cites·5 claims
- 0973US11128462B2Matching system, method, apparatus, and programNEC CORP·Filed 2017·Granted Sep 21, 2021·2 cites·6 claims
- 1071US9548861B2Encrypted statistical processing system, device, method, and programISSHIKI TOSHIYUKI·Filed 2012·Granted Jan 17, 2017·4 cites·6 claims
- 1170US12120229B2Encryption system, function value calculation method, and programNEC CORP·Filed 2019·Granted Oct 15, 2024·2 cites·9 claims
- 1263US11968300B2Data extraction system, data extraction method, registration apparatus, and programNEC CORP·Filed 2022·Granted Apr 23, 2024·0 cites·10 claims
- 1363US9600677B2Database apparatus, method, and programMORI KENGO·Filed 2012·Granted Mar 21, 2017·2 cites·21 claims
- 1462US8914643B2Anonymous authentication system and anonymous authentication methodISSHIKI TOSHIYUKI·Filed 2008·Granted Dec 16, 2014·3 cites·9 claims
- 1559US9621533B2Bit string collation system, bit string collation method, and programNEC CORP·Filed 2013·Granted Apr 11, 2017·1 cites·16 claims
- 1659US2025307367A1Information processing system, information processing method, and non-transitory computer readable mediumNEC CORP·Filed 2025·Application pending·0 cites
- 1756US2025023717A1Distributed re-encryption apparatus, cryptographic system, distributed re-encryption method, and distributed re-encryption programNEC CORP·Filed 2024·Application pending·0 cites
- 1855US2025193021A1Digital signature systemNEC CORP·Filed 2024·Application pending·0 cites
- 1954US2024430100A1Digital signature system and methodNEC CORP·Filed 2024·Application pending·0 cites
- 2054US2024430101A1Digital signature system, digital signature methodNEC CORP·Filed 2024·Application pending·0 cites
- 2154US2025070985A1Digital signature system, and methodNEC CORP·Filed 2024·Application pending·0 cites
- 2252US12463793B2Authentication system, authenticatee apparatus, authenticator apparatus, authentication method, and authentication programNEC CORP·Filed 2021·Granted Nov 4, 2025·0 cites·22 claims
- 2352US11451388B2Data extraction system, data extraction method, registration apparatus, and programNEC CORP·Filed 2017·Granted Sep 20, 2022·0 cites·7 claims
- 2452US2025373441A1Usage right verification system, usage right verification method thereof, and non-transitory computer readable mediumNEC CORP·Filed 2025·Application pending·0 cites
- 2551US12375264B2Information concealing control apparatus, information concealing apparatus, information reconfiguration control apparatus, information reconfiguring apparatus, information concealing system, information concealing control method, information reconfiguration control method, information concealing control program, and information reconfiguration control programNEC CORP·Filed 2020·Granted Jul 29, 2025·0 cites·5 claims
- 2651US9910478B2Collation system, node, collation method, and computer readable mediumNEC CORP·Filed 2014·Granted Mar 6, 2018·0 cites·8 claims
- 2750US12199638B2Information concealing apparatus, information reconfiguring apparatus, information concealing system, information concealing method, information reconfiguring method, information concealing program, and information reconfiguring programNEC CORP·Filed 2020·Granted Jan 14, 2025·0 cites·9 claims
- 2850US2024394352A1Authentication apparatus, authentication method, and programNEC CORP·Filed 2024·Application pending·0 cites
- 2949US2024430243A1Data management device, key management device, data management method, and key management methodNEC CORP·Filed 2024·Application pending·0 cites
- 3048US12411922B2System for cancelable biometric feature data generationNEC CORP·Filed 2021·Granted Sep 9, 2025·0 cites·22 claims
- 3147US2025293871A1Private key recovery device, private key recovery method, and storage mediumNEC CORP·Filed 2025·Application pending·0 cites
- 3246US12489619B2Terminal apparatus, encrypted information transformation apparatus, collation system, input information encryption method, encrypted information transformation method, collation method, input information encryption program, and encrypted information transformation programNEC CORP·Filed 2021·Granted Dec 2, 2025·0 cites·10 claims
- 3346US12242644B2Collation system, client terminal, server apparatus, collation method, and programNEC CORP·Filed 2020·Granted Mar 4, 2025·0 cites·11 claims
- 3446US9900146B2Encrypted text matching system, method, and computer readable mediumNEC CORP·Filed 2014·Granted Feb 20, 2018·0 cites·8 claims
- 3546US2025209205A1Information processing system, data providing apparatus, data processing apparatus, data receiving apparatus, method, and computer readable mediumNEC CORP·Filed 2022·Application pending·0 cites
- 3646US2025358270A1Authentication system, authentication server apparatus, authentication method, and programNEC CORP·Filed 2022·Application pending·0 cites
- 3745US12200147B2Collation system, client, and serverNEC CORP·Filed 2019·Granted Jan 14, 2025·0 cites·19 claims
- 3845US12143482B2Information matching system and information matching methodNEC CORP·Filed 2019·Granted Nov 12, 2024·0 cites·6 claims
- 3945US12079867B2Electronic transaction system, transaction server, verification server, method of transaction, and programNEC CORP·Filed 2018·Granted Sep 3, 2024·0 cites·19 claims
- 4045US12063293B2Collation system, client and serverNEC CORP·Filed 2018·Granted Aug 13, 2024·0 cites·12 claims
- 4145US2025211439A1Matching system, matching apparatus, matching method, and programNEC CORP·Filed 2022·Application pending·0 cites
- 4245US2025053638A1Matching system, matching method and matching programNEC CORP·Filed 2021·Application pending·0 cites
- 4345US2025211431A1Secret sharing computation system, relay apparatus, and methods and programs thereofNEC CORP·Filed 2022·Application pending·0 cites
- 4445US2025202711A1Information processing system, data providing apparatus, data processing apparatus, data receiving apparatus, method, and computer readable mediumNEC CORP·Filed 2022·Application pending·0 cites
- 4544US11909892B2Authentication system, client, and serverNEC CORP·Filed 2018·Granted Feb 20, 2024·0 cites·8 claims
- 4644US2011126020A1Content disclosure system and method for guaranteeing disclosed contents in the systemISSHIKI TOSHIYUKI·Filed 2008·Application pending·0 cites
- 4744US2022321348A1Information collation system, client terminal, server, information collation method, and information collation programNEC CORP·Filed 2019·Application pending·0 cites
- 4843US12155769B2Information matching system and information matching methodNEC CORP·Filed 2019·Granted Nov 26, 2024·0 cites·7 claims
- 4943US9985779B2Encrypted text matching system, method, and computer readable mediumNEC CORP·Filed 2014·Granted May 29, 2018·0 cites·7 claims
- 5043US9882712B2Encrypted text matching system, method, and computer readable mediumNEC CORP·Filed 2014·Granted Jan 30, 2018·0 cites·8 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →