Inventor · disambiguated record
Takahiro Fujishiro
Also filed as: FUJISHIRO TAKAHIRO
38 granted patents·20 pending applications·822 citations·filing 1993–2025
97Inventor score
Top patents by PatentIndex Score
58 records- 0197US5521633AMotor vehicle obstacle monitoring system using optical flow processingYAZAKI CORP·Filed 1993·Granted May 28, 1996·570 cites·9 claims
- 0285US7697692B2Cryptographic communication system and methodHITACHI LTD·Filed 2006·Granted Apr 13, 2010·19 cites·9 claims
- 0385US7657035B2Encryption communication method and systemHITACHI LTD·Filed 2006·Granted Feb 2, 2010·16 cites·15 claims
- 0485US7533269B2Digital-signed digital document exchange supporting method and information processorHITACHI LTD·Filed 2005·Granted May 12, 2009·16 cites·9 claims
- 0584US8010793B2Data communication method and systemHITACHI LTD·Filed 2005·Granted Aug 30, 2011·13 cites·21 claims
- 0683US7409551B2Certificate validity authentication method and apparatusHITACHI LTD·Filed 2006·Granted Aug 5, 2008·13 cites·18 claims
- 0782US8019996B2Method for encrypted communication with a computer system and system thereforHITACHI LTD·Filed 2007·Granted Sep 13, 2011·11 cites·8 claims
- 0880US7958367B2Authentication system and apparatusHITACHI LTD·Filed 2008·Granted Jun 7, 2011·15 cites·6 claims
- 0976US7720227B2Encryption method for SIP message and encrypted SIP communication systemHITACHI LTD·Filed 2006·Granted May 18, 2010·7 cites·13 claims
- 1075US7080251B2Certificate validity authentication method and apparatusHITACHI LTD·Filed 2001·Granted Jul 18, 2006·24 cites·13 claims
- 1174US8347082B2Method of validation public key certificate and validation serverHITACHI LTD·Filed 2009·Granted Jan 1, 2013·6 cites·16 claims
- 1273US8218769B2Encrypted communication system, communication status management server, encrypted communication method, and communication status management methodTAKATA OSAMU·Filed 2007·Granted Jul 10, 2012·6 cites·12 claims
- 1372US8380985B2Certificate validation method and certificate validation server and storage mediumHITACHI LTD·Filed 2010·Granted Feb 19, 2013·4 cites·15 claims
- 1472US8205074B2Data communication method and data communication systemHOSHINO KAZUYOSHI·Filed 2006·Granted Jun 19, 2012·6 cites·13 claims
- 1570US8229668B2Vehicle communication systemKAWAUCHI TAKASHI·Filed 2010·Granted Jul 24, 2012·6 cites·10 claims
- 1668US9325509B2Determination method for cryptographic algorithm used for signature, validation server and programSATO CHINATSU·Filed 2012·Granted Apr 26, 2016·5 cites·14 claims
- 1768US7984290B2System and method for encrypted communicationHITACHI LTD·Filed 2006·Granted Jul 19, 2011·4 cites·13 claims
- 1867US8094337B2Device and system for assisting printer selection through a networkHASHIMOTO YOKO·Filed 2007·Granted Jan 10, 2012·5 cites·16 claims
- 1967US8041822B2Service network system and server deviceHITACHI LTD·Filed 2006·Granted Oct 18, 2011·3 cites·4 claims
- 2066US11246521B2Method for evaluating muscular strength characteristicsHONDA MOTOR CO LTD·Filed 2019·Granted Feb 15, 2022·1 cites·5 claims
- 2166US7443986B2Key allocating method and key allocation system for encrypted communicationHITACHI LTD·Filed 2004·Granted Oct 28, 2008·9 cites·11 claims
- 2265US7409553B2Public key certificate generation method, validation method and apparatus thereofHITACHI LTD·Filed 2002·Granted Aug 5, 2008·16 cites·12 claims
- 2363US7940780B2Data communication system enabling data communication between communication devices through a serverHITACHI LTD·Filed 2008·Granted May 10, 2011·4 cites·7 claims
- 2462US8477601B2Network management station, network control system, and network management methodSAKATA MASAYUKI·Filed 2010·Granted Jul 2, 2013·2 cites·18 claims
- 2560US8635449B2Method of validation public key certificate and validation serverHITACHI LTD·Filed 2012·Granted Jan 21, 2014·1 cites·16 claims
- 2660US8176316B2Validation server, validation method, and programHASHIMOTO YOKO·Filed 2009·Granted May 8, 2012·2 cites·12 claims
- 2759US8081758B2Communication support server, communication support method, and communication support systemTAKATA OSAMU·Filed 2005·Granted Dec 20, 2011·2 cites·8 claims
- 2858US7558952B2Method and apparatus for accelerating public-key certificate validationHITACHI LTD·Filed 2004·Granted Jul 7, 2009·5 cites·14 claims
- 2956US2025358133A1Verification system and verification methodHITACHI LTD·Filed 2025·Application pending·0 cites
- 3055US7392380B2Authentication and authorization infrastructure system with CRL issuance notification functionHITACHI LTD·Filed 2003·Granted Jun 24, 2008·5 cites·7 claims
- 3153US8516245B2Method, product and apparatus for accelerating public-key certificate validationKUMAGAI YOKO·Filed 2009·Granted Aug 20, 2013·1 cites·8 claims
- 3252US8238555B2Management server, communication apparatus and program implementing key allocation system for encrypted communicationTAKATA OSAMU·Filed 2008·Granted Aug 7, 2012·0 cites·32 claims
- 3352US8095676B2Mediating system and method to establish communication session, allowing private information to be protectedKAJI TADASHI·Filed 2006·Granted Jan 10, 2012·1 cites·9 claims
- 3451US2009177802A1Service network system and server deviceHOSHINO KAZUYOSHI·Filed 2009·Application pending·0 cites
- 3547USD993290SDrilling and tapping machineSUGINO MACH·Filed 2021·Granted Jul 25, 2023·1 cites·1 claims
- 3647US2024303304A1Mandate processing device, mandate processing method, and mandate processing systemHITACHI LTD·Filed 2023·Application pending·0 cites
- 3745US11032627B2Maintenance device, presentation system, and programHITACHI LTD·Filed 2018·Granted Jun 8, 2021·0 cites·7 claims
- 3845US2016239552A1Data Display SystemHITACHI LTD·Filed 2014·Application pending·0 cites
- 3945US2008082650A1Inter-client communication log management systemHITACHI LTD·Filed 2007·Application pending·0 cites
- 4044US8819417B2Validation server, validation method, and programHASHIMOTO YOKO·Filed 2012·Granted Aug 26, 2014·0 cites·3 claims
- 4144US2008219445A1Communications audit support systemYATO AKIFUMI·Filed 2007·Application pending·0 cites
- 4243US5907676AInformation processing system, communication method, and recording mediumHITACHI LTD·Filed 1997·Granted May 25, 1999·15 cites·10 claims
- 4343US2004255116A1Electronic document management system with the use of signature technique capable of maskingFiled 2003·Application pending·0 cites
- 4443US2008189351A1Network system which performs peer-to-peer communicationNEMOTO SHIGEYUKI·Filed 2007·Application pending·0 cites
- 4542US2010138899A1Authentication intermediary server, program, authentication system and selection methodHITACHI LTD·Filed 2009·Application pending·0 cites
- 4641US2008301439A1Validation Server, Program and Verification MethodHASHIMOTO YOKO·Filed 2008·Application pending·0 cites
- 4740US2008256224A1Data communication system and session management serverKAJI TADASHI·Filed 2008·Application pending·0 cites
- 4840US2009249454A1Authentication server, authentication system, and authentication methodHITACHI LTD·Filed 2009·Application pending·0 cites
- 4939US2007288754A1Data communication method and systemKAJI TADASHI·Filed 2007·Application pending·0 cites
- 5038US2017261403A1Abnormality detection procedure development apparatus and abnormality detection procedure development methodHITACHI LTD·Filed 2015·Application pending·0 cites
Showing the top 50 of 58 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →