Inventor · disambiguated record
Kazuhiko Ishii
Also filed as: ISHII KAZUHIKO
39 granted patents·22 pending applications·852 citations·filing 1977–2016
98Inventor score
Top patents by PatentIndex Score
61 records- 0194US6664313B2Polycarbonate resin composition and its molded articlesMITSUBISHI ENG PLASTICS CORP·Filed 2001·Granted Dec 16, 2003·59 cites·14 claims
- 0294US6284185B1Ultraviolet-curable adhesive composition for bonding opaque substratesNIPPON KAYAKU KK·Filed 2000·Granted Sep 4, 2001·65 cites·5 claims
- 0391US8306919B2IC card and authentication method in electronic ticket distribution systemSAKAMURA KEN·Filed 2007·Granted Nov 6, 2012·46 cites·2 claims
- 0491US4583224AFault tolerable redundancy controlHITACHI LTD·Filed 1983·Granted Apr 15, 1986·163 cites·13 claims
- 0590US6369141B1Flame-retardant polycarbonate resin compositionMITSUBISHI ENG PLASTICS CORP·Filed 1999·Granted Apr 9, 2002·59 cites·13 claims
- 0688US6294239B1Ultraviolet-curable adhesive compositionNIPPON KAYAKU KK·Filed 2000·Granted Sep 25, 2001·32 cites·5 claims
- 0785US6017603AUltraviolet-curing adhesive composition and articleNIPPON KAYAKU KK·Filed 1997·Granted Jan 25, 2000·90 cites·6 claims
- 0884US5412400AProcess monitoring system and a window displaying method thereforHITACHI LTD·Filed 1991·Granted May 2, 1995·80 cites·39 claims
- 0980US5298559AMulti-layered polymersMITSUBISHI GAS CHEMICAL CO·Filed 1992·Granted Mar 29, 1994·33 cites·12 claims
- 1076US8122261B2Data communication apparatus and data communication methodSAKAMURA KEN·Filed 2005·Granted Feb 21, 2012·7 cites·2 claims
- 1176US7861293B2Mobile terminal and authentication methodNTT DOCOMO INC·Filed 2006·Granted Dec 28, 2010·2 cites·9 claims
- 1276US7814557B2IC card and access control methodNTT DOCOMO INC·Filed 2005·Granted Oct 12, 2010·8 cites·3 claims
- 1374US7031695B2Portable terminal, access control method, and access control programNTT DOCOMO INC·Filed 2003·Granted Apr 18, 2006·16 cites·20 claims
- 1474US5206299ACore-shell polymer, resin composition and molded articles thereofTAKEDA CHEMICAL INDUSTRIES LTD·Filed 1992·Granted Apr 27, 1993·27 cites·9 claims
- 1572US7975029B2Terminal equipmentNTT DOCOMO INC·Filed 2006·Granted Jul 5, 2011·6 cites·5 claims
- 1672US7403924B2Communication terminal, portable terminal, circulating server, providing server, electronic book distributing method, and electronic book distributing programNTT DOCOMO INC·Filed 2003·Granted Jul 22, 2008·15 cites·11 claims
- 1771US7590591B2Electronic value exchange system and electronic value exchange methodNTT DOCOMO INC·Filed 2006·Granted Sep 15, 2009·2 cites·4 claims
- 1871US7580897B2IC card and authentication method in electronic ticket distribution systemSAKAMURA KEN·Filed 2003·Granted Aug 25, 2009·21 cites·4 claims
- 1969US7896236B2Electronic value exchange system and electronic value exchange methodNTT DOCOMO INC·Filed 2006·Granted Mar 1, 2011·4 cites·4 claims
- 2069US7346718B2Autonomous integrated-circuit cardSAKAMURA KEN·Filed 2003·Granted Mar 18, 2008·14 cites·15 claims
- 2168US7416114B2Electronic value transfer device equipped with non-contact IC interfaceSAKAMURA KEN·Filed 2003·Granted Aug 26, 2008·1 cites·8 claims
- 2268US7287165B2IC card, portable terminal, and access control methodNTT DOCOMO INC·Filed 2003·Granted Oct 23, 2007·18 cites·10 claims
- 2368US2009199005A1Authentication device, mobile terminal, and authentication methodNTT DOCOMO INC·Filed 2009·Application pending·0 cites
- 2466US2010094757A1Electronic value exchange user device and third-party deviceNTT DOCOMO INC·Filed 2009·Application pending·0 cites
- 2564US7357329B2IC card, terminal device, and data communication methodSAKAMURA KEN·Filed 2003·Granted Apr 15, 2008·11 cites·12 claims
- 2663US2004158490A1Communication terminal, server apparatus, electronic worth charging method, and electronic worth charging programNTT DOCOMO INC·Filed 2003·Application pending·0 cites
- 2760US7882030B2Connection information management system for managing connection information used in communications between IC cardsNTT DOCOMO INC·Filed 2003·Granted Feb 1, 2011·0 cites·14 claims
- 2860US6590952B2Reactor manual control systemHITACHI LTD·Filed 2001·Granted Jul 8, 2003·4 cites·7 claims
- 2960US2006212397A1Authentication device, mobile terminal, and authentication methodNTT DOCOMO INC·Filed 2006·Application pending·0 cites
- 3060US2004044625A1Digital contents issuing system and digital contents issuing methodKEN SAKAMURA·Filed 2003·Application pending·0 cites
- 3159US7052756B2Adhesive for optical disk and optical diskNIPPON KAYAKU KK·Filed 2002·Granted May 30, 2006·3 cites·7 claims
- 3259US2007250455A1Communication terminal, portable terminal, circulating server, providing server, electronic book distributing method, and eletronic book distributing programNOBORU KOSHIZUKA·Filed 2007·Application pending·0 cites
- 3359US2007149867A1Communication terminal, server apparatus, electronic worth charging method, and electronic worth charging programNOBORU KOSHIZUKA·Filed 2007·Application pending·0 cites
- 3458US5502083AOnium salt, photopolymerization initiator, energy ray-curing composition containing the initiator, and cured productNIPPON KAYAKU KK·Filed 1994·Granted Mar 26, 1996·9 cites·13 claims
- 3557US7865438B2Electronic value exchange method, user device, and third-party deviceNTT DOCOMO INC·Filed 2006·Granted Jan 4, 2011·0 cites·14 claims
- 3657US6873671B2Reactor manual control systemHITACHI LTD·Filed 2002·Granted Mar 29, 2005·2 cites·11 claims
- 3754US6254958B1Photosensitive resin composition and articlesNIPPON KAYAKU KK·Filed 1997·Granted Jul 3, 2001·10 cites·8 claims
- 3854US2014042646A1Aromatic polycarbonate resin composition for light guide plates, and light guide plateMITSUBISHI ENG PLASTICS CORP·Filed 2013·Application pending·0 cites
- 3954US2010272223A1Nuclear reactor system and nuclear reactor control methodFUSHIMI ATSUSHI·Filed 2007·Application pending·0 cites
- 4053US2011200155A1Nuclear Reactor System and Nuclear Reactor Control MethodFUSHIMI ATSUSHI·Filed 2011·Application pending·0 cites
- 4152US8468094B2Electronic value exchange system, mobile terminal, and electronic value exchange methodSAKAMURA KEN·Filed 2005·Granted Jun 18, 2013·0 cites·6 claims
- 4251US7340243B2Connection information management system for managing connection information used in communications between IC cardsSAKAMURA KEN·Filed 2003·Granted Mar 4, 2008·1 cites·7 claims
- 4348US7500605B2Tamper resistant device and file generation methodNTT DOCOMO INC·Filed 2006·Granted Mar 10, 2009·0 cites·6 claims
- 4448US2017006841A1Animal/plant environment containerHONEST STAR ENTPR LTD·Filed 2016·Application pending·0 cites
- 4548US2009162628A1Aromatic polycarbonate resin composition for light guide plates, and light guide plateKUROKAWA HARUHIKO·Filed 2006·Application pending·0 cites
- 4647US5534557AOnium salt, photopolymerization initiator, energy ray-curing composition containing the initiator, and cured productNIPPON KAYAKU KK·Filed 1995·Granted Jul 9, 1996·7 cites·15 claims
- 4747US2004030896A1IC card and cryptographic communication method between IC cardsKEN SAKAMURA·Filed 2003·Application pending·0 cites
- 4847US2005013398A1Reactor manual control systemFiled 2004·Application pending·0 cites
- 4946US5658984APermanent anti-static polycarbonate resin compositionMITSUBISHI ENG PLASTICS CORP·Filed 1995·Granted Aug 19, 1997·10 cites·20 claims
- 5045US2003161432A1Reactor manual control systemHITACHI LTD·Filed 2003·Application pending·0 cites
Showing the top 50 of 61 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →