Inventor · disambiguated record
Kenta Takahashi
Also filed as: TAKAHASHI KENTA
59 granted patents·28 pending applications·362 citations·filing 1998–2024
98Inventor score
Top patents by PatentIndex Score
87 records- 0196US8417960B2Method for generating an encryption key using biometrics authentication and restoring the encryption key and personal authentication systemTAKAHASHI KENTA·Filed 2006·Granted Apr 9, 2013·76 cites·9 claims
- 0291US7936905B2Method, system and program for authenticating a user by biometric informationHITACHI LTD·Filed 2007·Granted May 3, 2011·50 cites·28 claims
- 0386US10404465B2Sequential biometric cryptosystem and sequential biometric cryptographic processing methodHITACHI LTD·Filed 2015·Granted Sep 3, 2019·6 cites·10 claims
- 0484US12355890B2Authentication apparatus and authentication methodHITACHI LTD·Filed 2021·Granted Jul 8, 2025·2 cites·19 claims
- 0584US11408741B2Self-localization estimation deviceDENSO CORP·Filed 2019·Granted Aug 9, 2022·4 cites·21 claims
- 0683US11639853B2Self-localization estimation deviceDENSO CORP·Filed 2019·Granted May 2, 2023·4 cites·7 claims
- 0783US7840034B2Method, system and program for authenticating a user by biometric informationHITACHI LTD·Filed 2007·Granted Nov 23, 2010·20 cites·20 claims
- 0882US12321470B2Data management system, data management method, and non-transitory computer readable mediumHITACHI LTD·Filed 2022·Granted Jun 3, 2025·2 cites·14 claims
- 0982US12217581B2Medium processing apparatusGLORY KOGYO KK·Filed 2023·Granted Feb 4, 2025·0 cites·12 claims
- 1082US8782650B2Distributed processing of partitioned stream data including data element group and end dataTAKAHASHI KENTA·Filed 2010·Granted Jul 15, 2014·8 cites·12 claims
- 1181US9212268B2Biaxially oriented polyethylene terephthalate film and method for producing sameTORAY INDUSTRIES·Filed 2013·Granted Dec 15, 2015·3 cites·20 claims
- 1281US8933367B2Laser processing methodKAKUI MOTOKI·Filed 2012·Granted Jan 13, 2015·5 cites·23 claims
- 1381US8204279B2Method, system and program for authenticating a user by biometric informationTAKAHASHI KENTA·Filed 2011·Granted Jun 19, 2012·11 cites·9 claims
- 1481US7447339B2Unique code generating apparatus, method, program and recording mediumHITACHI LTD·Filed 2004·Granted Nov 4, 2008·62 cites·7 claims
- 1579US8443201B2Biometric authentication system, enrollment terminal, authentication terminal and authentication serverTAKAHASHI KENTA·Filed 2007·Granted May 14, 2013·12 cites·20 claims
- 1677US12026242B2Key generation apparatus, key utilization apparatus, and key generation methodHITACHI LTD·Filed 2020·Granted Jul 2, 2024·1 cites·10 claims
- 1774US11945229B2Liquid discharge apparatus, liquid container, and refill containerTAKAHASHI KENTA·Filed 2022·Granted Apr 2, 2024·0 cites·15 claims
- 1873US10719593B2Biometric signature system and biometric certificate registration methodHITACHI LTD·Filed 2016·Granted Jul 21, 2020·4 cites·9 claims
- 1973US10611157B2Wiping device, head maintenance device, and liquid discharge apparatusASANO YUKIHIRO·Filed 2019·Granted Apr 7, 2020·1 cites·10 claims
- 2073USD879873SBanknote handling machineGLORY KOGYO KK·Filed 2018·Granted Mar 31, 2020·13 cites·1 claims
- 2172US11018876B2Signature verification system, signature verification method, and storage mediumHITACHI LTD·Filed 2017·Granted May 25, 2021·2 cites·15 claims
- 2272US9565023B2Signature generation and verification system and signature verification apparatusHITACHI LTD·Filed 2013·Granted Feb 7, 2017·6 cites·4 claims
- 2372US8412940B2Biometric authentication method and systemTAKAHASHI KENTA·Filed 2009·Granted Apr 2, 2013·8 cites·18 claims
- 2470US10057068B2Biometric signature system, signature verification method, registration terminal, signature generation terminal, and signature verification deviceHITACHI LTD·Filed 2013·Granted Aug 21, 2018·3 cites·4 claims
- 2570US8356183B2Biometric authentication method and computer systemHITACHI LTD·Filed 2010·Granted Jan 15, 2013·2 cites·18 claims
- 2669US11433675B2Maintenance device and liquid discharge apparatusRICOH CO LTD·Filed 2021·Granted Sep 6, 2022·0 cites·13 claims
- 2768US10543689B2Liquid discharge apparatusHASEBE DAISUKE·Filed 2018·Granted Jan 28, 2020·1 cites·15 claims
- 2867US8433922B2System and method of biometric authentication using multiple kinds of templatesKAGA YOSUKE·Filed 2010·Granted Apr 30, 2013·4 cites·11 claims
- 2967US8340361B2Biometric authentication system, authentication client terminal, and biometric authentication methodMURAKAMI TAKAO·Filed 2009·Granted Dec 25, 2012·8 cites·16 claims
- 3065US12496831B2Liquid discharge apparatusKOBAYASHI YUTA·Filed 2023·Granted Dec 16, 2025·0 cites·10 claims
- 3165US7613680B2Computer system and the computer control methodHITACHI LTD·Filed 2005·Granted Nov 3, 2009·3 cites·10 claims
- 3264US11869318B2Medium processing apparatusGLORY KOGYO KK·Filed 2022·Granted Jan 9, 2024·0 cites·11 claims
- 3364US10680808B21:N biometric authentication, encryption, signature systemHITACHI LTD·Filed 2017·Granted Jun 9, 2020·1 cites·16 claims
- 3464US9106636B2Information authentication method and information authentication systemTAKAHASHI KENTA·Filed 2010·Granted Aug 11, 2015·2 cites·10 claims
- 3563USD871499SBanknote handling machineGLORY KOGYO KK·Filed 2017·Granted Dec 31, 2019·10 cites·1 claims
- 3662US8332916B2User identification system and a method thereofISOBE YOSHIAKI·Filed 2009·Granted Dec 11, 2012·2 cites·7 claims
- 3760US11001065B2Roll device, roll apparatus, head maintenance device, and liquid discharge apparatusTAKAHASHI KENTA·Filed 2019·Granted May 11, 2021·0 cites·7 claims
- 3859US11532196B2Medium processing apparatusGLORY KOGYO KK·Filed 2021·Granted Dec 20, 2022·0 cites·18 claims
- 3959US2025214080A1White blood cell capturing deviceNATIONAL UNIV CORPORATION IBARAKI UNIV·Filed 2023·Application pending·0 cites
- 4058US12030318B2Liquid discharge apparatus, liquid container, and cleaning bottleTAKAHASHI KENTA·Filed 2022·Granted Jul 9, 2024·0 cites·12 claims
- 4157US9049192B2Biometric authentication method and computer systemHITACHI LTD·Filed 2014·Granted Jun 2, 2015·0 cites·8 claims
- 4256US12261402B2Spring connectorYOKOWO SEISAKUSHO KK·Filed 2021·Granted Mar 25, 2025·0 cites·9 claims
- 4356US8762735B2Biometric authentication method and computer systemHITACHI LTD·Filed 2013·Granted Jun 24, 2014·0 cites·8 claims
- 4456US2024316934A1Wiping device and liquid discharge apparatusTAKAHASHI KENTA·Filed 2024·Application pending·0 cites
- 4556US2024326442A1Wiping device and liquid discharge apparatusTAKAHASHI KENTA·Filed 2024·Application pending·0 cites
- 4654US8612770B2Biometric authentication method and computer systemHITACHI LTD·Filed 2012·Granted Dec 17, 2013·0 cites·6 claims
- 4754US7148387B2Process for producing hydroxyl group-containing compoundNAT INST OF ADVANCED IND SCIEN·Filed 2004·Granted Dec 12, 2006·4 cites·9 claims
- 4854US2012005736A1Biometric authentication system and method thereforTAKAHASHI KENTA·Filed 2009·Application pending·0 cites
- 4954US2023419108A1Learning system and learning methodHITACHI LTD·Filed 2023·Application pending·0 cites
- 5053US2020265390A1Ticket displaying device, key data server, and ticket data serverDWANGO CO LTD·Filed 2018·Application pending·0 cites
Showing the top 50 of 87 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →