Inventor · disambiguated record
Yasutsugu Kuroda
Also filed as: KURODA YASUTSUGU
14 granted patents·2 pending applications·1,285 citations·filing 1994–2008
95Inventor score
Top patents by PatentIndex Score
16 records- 0194US6915434B1Electronic data storage apparatus with key management function and electronic data storage methodFUJITSU LTD·Filed 1999·Granted Jul 5, 2005·408 cites·23 claims
- 0290US6658403B1Apparatus and method for managing electronic original dataFUJITSU LTD·Filed 2000·Granted Dec 2, 2003·75 cites·18 claims
- 0387US6421779B1Electronic data storage apparatus, system and methodFUJITSU LTD·Filed 1998·Granted Jul 16, 2002·187 cites·54 claims
- 0473US6266421B1Key recovery system and key recovery methodHITACHI LTD·Filed 1998·Granted Jul 24, 2001·91 cites·10 claims
- 0572US5935248ASecurity level control apparatus and method for a network securing communications between parties without presetting the security levelFUJITSU LTD·Filed 1996·Granted Aug 10, 1999·79 cites·13 claims
- 0671US6185308B1Key recovery systemFUJITSU LTD·Filed 1998·Granted Feb 6, 2001·77 cites·35 claims
- 0771US5642420ACryptoinformation repeater, subscriber terminal connected thereto, and cryptocommunication methodFUJITSU LTD·Filed 1994·Granted Jun 24, 1997·60 cites·11 claims
- 0870US6505213B1File management apparatus and methodFUJITSU LTD·Filed 1999·Granted Jan 7, 2003·57 cites·17 claims
- 0964US6470448B1Apparatus and method for proving transaction between users in network environmentFUJITSU LTD·Filed 1997·Granted Oct 22, 2002·146 cites·25 claims
- 1062US6260145B1System and method of authentication of digital informationFUJITSU LTD·Filed 1997·Granted Jul 10, 2001·50 cites·25 claims
- 1156US6345360B1Apparatus method and computer readable storage medium with recorded program for managing files with alteration preventing/detecting functionsFUJITSU LTD·Filed 1998·Granted Feb 5, 2002·25 cites·12 claims
- 1253US2008271154A1Apparatus, method and computer readable storage medium with recorded program for managing files with alteration preventing/detecting functionsFUJITSU LTD·Filed 2008·Application pending·0 cites
- 1344US6272225B1Key recovery condition encryption and decryption apparatusesNEC CORP·Filed 1998·Granted Aug 7, 2001·18 cites·26 claims
- 1444US2002049911A1Apparatus, method and computer readable storage medium with recorded program for managing files with alteration preventing/detecting functionsFUJITSU LTD·Filed 2001·Application pending·0 cites
- 1541US6922775B2User support system for cryptographic communication in network systemsFUJITSU LTD·Filed 2002·Granted Jul 26, 2005·0 cites·2 claims
- 1637US6584563B1User support system for cryptographic communication in network systemsFUJITSU LTD·Filed 1997·Granted Jun 24, 2003·12 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →