Inventor · disambiguated record
Hisayoshi Sato
Also filed as: SATO HISAYOSHI
25 granted patents·15 pending applications·203 citations·filing 1990–2022
95Inventor score
Files withHITACHI LTD24HITACHI SOLUTIONS LTD2AOYAMA HIDEKI1EDUCATIONAL FOUNDATION CHUO UN1HAKUTA KEISUKE1
Top patents by PatentIndex Score
40 records- 0196US10489604B2Searchable encryption processing system and searchable encryption processing methodHITACHI LTD·Filed 2015·Granted Nov 26, 2019·38 cites·13 claims
- 0289US7110545B2Method and apparatus for symmetric-key encryptionHITACHI LTD·Filed 2001·Granted Sep 19, 2006·62 cites·22 claims
- 0385US11475121B2Confidential information processing system and confidential information processing methodHITACHI LTD·Filed 2020·Granted Oct 18, 2022·2 cites·8 claims
- 0480US9892211B2Searchable code processing system and methodHITACHI LTD·Filed 2014·Granted Feb 13, 2018·6 cites·13 claims
- 0579US9275250B2Searchable encryption processing systemYOSHINO MASAYUKI·Filed 2011·Granted Mar 1, 2016·7 cites·4 claims
- 0677US8108682B2Hash value generatorWATANABE DAI·Filed 2009·Granted Jan 31, 2012·10 cites·8 claims
- 0765US7359515B2Method and apparatus for symmetric-key decryptionHITACHI LTD·Filed 2006·Granted Apr 15, 2008·2 cites·10 claims
- 0862US7840423B2Insurance premium rate setting support systemSHINKO KIGYO CORP·Filed 2005·Granted Nov 23, 2010·1 cites·4 claims
- 0962US6694634B2Position error evaluation method of moving device and method of improving movement accuracy based on evaluation results thereofEDUCATIONAL FOUNDATION CHUO UN·Filed 2001·Granted Feb 24, 2004·10 cites·7 claims
- 1060US9479330B2Method, information service system and program for information encryption/decryptionHITACHI LTD·Filed 2014·Granted Oct 25, 2016·2 cites·9 claims
- 1160US7200232B2Method and apparatus for symmetric-key decryptionHITACHI LTD·Filed 2001·Granted Apr 3, 2007·5 cites·13 claims
- 1259US7246821B2WheelchairMIKI CO LTD·Filed 2004·Granted Jul 24, 2007·18 cites·4 claims
- 1359US6647636B2Method for measuring road surface longitudinal profileSUNWAY CO LTD·Filed 2001·Granted Nov 18, 2003·18 cites·4 claims
- 1454US2023376802A1Information processing apparatus, information processing system, and information processing methodHITACHI LTD·Filed 2021·Application pending·0 cites
- 1550US12432061B2Content protection systemHITACHI SOLUTIONS LTD·Filed 2022·Granted Sep 30, 2025·0 cites·13 claims
- 1649US6574570B1Method for analyzing nonlinear restoring force characteristic with hysteresis of machine structure systemUNIV CHUO·Filed 2001·Granted Jun 3, 2003·7 cites·2 claims
- 1749US5060201AProbe for ultrasonic microscopeHITACHI CONSTRUCTION MACHINERY·Filed 1990·Granted Oct 22, 1991·15 cites·12 claims
- 1849US2019228413A1Auditing equipment, anonymous remittance method with audit function, and storage mediumHITACHI LTD·Filed 2017·Application pending·0 cites
- 1947US11811741B2Information processing system and information processing methodHITACHI LTD·Filed 2021·Granted Nov 7, 2023·0 cites·10 claims
- 2047US11184163B2Value comparison server, value comparison encryption system, and value comparison methodHITACHI LTD·Filed 2019·Granted Nov 23, 2021·0 cites·11 claims
- 2147US9654472B2Storage count verification systemHITACHI LTD·Filed 2013·Granted May 16, 2017·0 cites·6 claims
- 2246US2017322977A1Method for retrieving encrypted graph, system for retrieving encrypted graph, and computerHITACHI LTD·Filed 2014·Application pending·0 cites
- 2345US2014172830A1Secure search processing system and secure search processing methodHITACHI SOLUTIONS LTD·Filed 2013·Application pending·0 cites
- 2445US2009199010A1Signature device, verification device, program, signature method, verification method, and systemHITACHI INT ELECTRIC INC·Filed 2008·Application pending·0 cites
- 2543US11295635B2Data processing system and data processing methodHITACHI LTD·Filed 2015·Granted Apr 5, 2022·0 cites·16 claims
- 2643US11120143B2Data analysis server, data analysis system, and data analysis methodHITACHI LTD·Filed 2019·Granted Sep 14, 2021·0 cites·9 claims
- 2743US2009262376A1Grain pattern for grain pattern printing, method and program for creating grain pattern, and housing building material product, automotive interior part, electric home appliance, and information equipment with grain pattern printed thereonAOYAMA HIDEKI·Filed 2007·Application pending·0 cites
- 2842US11971998B2Data comparison device, data comparison system, and data comparison methodHITACHI LTD·Filed 2020·Granted Apr 30, 2024·0 cites·9 claims
- 2942US11290277B2Data processing systemHITACHI LTD·Filed 2016·Granted Mar 29, 2022·0 cites·4 claims
- 3042US2017039487A1Support vector machine learning system and support vector machine learning methodHITACHI LTD·Filed 2014·Application pending·0 cites
- 3142US2019260715A1Computer system, connection apparatus, and processing method using transactionHITACHI LTD·Filed 2019·Application pending·0 cites
- 3241US10733317B2Searchable encryption processing systemHITACHI LTD·Filed 2016·Granted Aug 4, 2020·0 cites·7 claims
- 3341US2008320557A1Batch verification device, program and batch verification methodHAKUTA KEISUKE·Filed 2008·Application pending·0 cites
- 3440US2015288703A1Data possession verification system and methodHITACHI LTD·Filed 2012·Application pending·0 cites
- 3538US2002015491A1Public key encryption method and communication system using public key cryptosystemFiled 2001·Application pending·0 cites
- 3637US2019012469A1Data processing method and data processing systemHITACHI LTD·Filed 2016·Application pending·0 cites
- 3735US10166157B2Wheelchair frame structure and method for adjusting wheelchairMIKI HOLDINGS CO LTD·Filed 2017·Granted Jan 1, 2019·0 cites·5 claims
- 3835US2018048467A1Key Generator, Computer System, and Encryption Statistical Processing MethodHITACHI LTD·Filed 2016·Application pending·0 cites
- 3933US2017308580A1Data Aggregation/Analysis System and Method ThereforHITACHI LTD·Filed 2015·Application pending·0 cites
- 4030US2017310479A1Key Replacement Direction Control System and Key Replacement Direction Control MethodHITACHI INFORMATION AND TELECOMMUNICATION ENG LTD·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →