Inventor · disambiguated record
Chikashi Okamoto
Also filed as: OKAMOTO CHIKASHI
23 granted patents·5 pending applications·390 citations·filing 1976–2022
96Inventor score
Files withHITACHI LTD17JAPAN COMPUTER VISION CORP3OKAMOTO CHIKASHI2SANO RITSU2HITACHI HIGH TECH CORP1
Top patents by PatentIndex Score
28 records- 0193US6922686B2Database integration management method and apparatus and processing program, medium thereforHITACHI LTD·Filed 2001·Granted Jul 26, 2005·121 cites·11 claims
- 0291US8235181B2Electric cable drive device and electric brake deviceSANO RITSU·Filed 2005·Granted Aug 7, 2012·34 cites·15 claims
- 0388US6592032B1Control system and method of controlling information written into storage mediaHITACHI LTD·Filed 2000·Granted Jul 15, 2003·42 cites·12 claims
- 0486US7617975B2Service providing system and methodHITACHI LTD·Filed 2007·Granted Nov 17, 2009·13 cites·7 claims
- 0586US6934842B2Identification code management method and management systemHITACHI LTD·Filed 2001·Granted Aug 23, 2005·32 cites·41 claims
- 0683US7178026B2Identification code management method and management systemHITACHI LTD·Filed 2005·Granted Feb 13, 2007·11 cites·7 claims
- 0781US7330949B2Terminal for use in a system interfacing with storage mediaHITACHI LTD·Filed 2006·Granted Feb 12, 2008·8 cites·7 claims
- 0879US7089388B1Terminal for use in a system interfacing with storage mediaHITACHI LTD·Filed 2003·Granted Aug 8, 2006·11 cites·10 claims
- 0978US5915514AClutch unit for automatically cancelling connection between input source and output shaftNTN TOYO BEARING CO LTD·Filed 1995·Granted Jun 29, 1999·30 cites·3 claims
- 1074US7309019B2Method of checking authenticity of sheet with built-in electronic circuit chipHITACHI LTD·Filed 2006·Granted Dec 18, 2007·3 cites·6 claims
- 1170US6659353B1Method of checking authenticity of sheet with built-in electronic circuit chipHITACHI LTD·Filed 1999·Granted Dec 9, 2003·31 cites·15 claims
- 1266US7275687B2Service providing system and methodHITACHI HIGH TECH CORP·Filed 2004·Granted Oct 2, 2007·2 cites·15 claims
- 1364US7007854B2Method of checking authenticity of sheet with built-in electronic circuit chipHITACHI RES INST·Filed 2003·Granted Mar 7, 2006·7 cites·6 claims
- 1463US2023223130A1Non-transitory computer-readable storage medium, information processing apparatus, and information processing methodJAPAN COMPUTER VISION CORP·Filed 2022·Application pending·0 cites
- 1558US7562231B2Apparatus and system for recording and reproducing contentsHITACHI LTD·Filed 2004·Granted Jul 14, 2009·3 cites·8 claims
- 1658US6854062B2Electronic device and communication method using bridging mediumHITACHI LTD·Filed 2002·Granted Feb 8, 2005·5 cites·2 claims
- 1758US4067097AMethod of and arrangement for building cylindrical hollow structureNIPPON KAKOKI COMPANY LIMITED·Filed 1976·Granted Jan 10, 1978·16 cites·14 claims
- 1858US2023059310A1Prediction system, prediction device, prediction method, and non-transitory computer readable storageJAPAN COMPUTER VISION CORP·Filed 2022·Application pending·0 cites
- 1956US7861284B2Control method and system of customer premises apparatus and gatewayHITACHI LTD·Filed 2002·Granted Dec 28, 2010·5 cites·30 claims
- 2056US7590842B2Service providing system and authentication system, as well as signature generating apparatus, service utilizing apparatus and verification apparatusHITACHI LTD·Filed 2004·Granted Sep 15, 2009·4 cites·10 claims
- 2156US7392538B2Firewall apparatusHITACHI LTD·Filed 2002·Granted Jun 24, 2008·4 cites·5 claims
- 2251US7549208B2Method of mounting electronic circuit chipHITACHI LTD·Filed 2003·Granted Jun 23, 2009·3 cites·6 claims
- 2344US2023013062A1Authentication system, authentication method, and non-transitory computer readable storageJAPAN COMPUTER VISION CORP·Filed 2021·Application pending·0 cites
- 2443US2013056316A1Electric cable drive device and electric brake deviceSANO RITSU·Filed 2012·Application pending·0 cites
- 2541US8295689B2Contents reproducing apparatus and contents reproducing methodOKAMOTO CHIKASHI·Filed 2009·Granted Oct 23, 2012·0 cites·9 claims
- 2639US2007002484A1Digital data storage system, recording devices therefor, and digital data storage methodOKAMOTO CHIKASHI·Filed 2006·Application pending·0 cites
- 2737US6731509B1Method for mounting electronic circuit chipHITACHI LTD·Filed 1999·Granted May 4, 2004·5 cites·9 claims
- 2835US7333972B2Database integration management method and apparatus and processing program, medium thereforHITACHI LTD·Filed 2005·Granted Feb 19, 2008·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →