Inventor · disambiguated record
Sadayuki Hongo
Also filed as: HONGO SADAYUKI
22 granted patents·11 pending applications·228 citations·filing 2001–2009
95Inventor score
Top patents by PatentIndex Score
33 records- 0191US8306919B2IC card and authentication method in electronic ticket distribution systemSAKAMURA KEN·Filed 2007·Granted Nov 6, 2012·46 cites·2 claims
- 0285US7142847B2Mobile communication system, resource switching method thereof, network control apparatus included therein, same and network control methodNTT DOCOMO INC·Filed 2001·Granted Nov 28, 2006·50 cites·16 claims
- 0376US8122261B2Data communication apparatus and data communication methodSAKAMURA KEN·Filed 2005·Granted Feb 21, 2012·7 cites·2 claims
- 0476US7861293B2Mobile terminal and authentication methodNTT DOCOMO INC·Filed 2006·Granted Dec 28, 2010·2 cites·9 claims
- 0576US7814557B2IC card and access control methodNTT DOCOMO INC·Filed 2005·Granted Oct 12, 2010·8 cites·3 claims
- 0674US7031695B2Portable terminal, access control method, and access control programNTT DOCOMO INC·Filed 2003·Granted Apr 18, 2006·16 cites·20 claims
- 0772US7975029B2Terminal equipmentNTT DOCOMO INC·Filed 2006·Granted Jul 5, 2011·6 cites·5 claims
- 0872US7403924B2Communication 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
- 0971US7590591B2Electronic value exchange system and electronic value exchange methodNTT DOCOMO INC·Filed 2006·Granted Sep 15, 2009·2 cites·4 claims
- 1071US7580897B2IC card and authentication method in electronic ticket distribution systemSAKAMURA KEN·Filed 2003·Granted Aug 25, 2009·21 cites·4 claims
- 1169US7896236B2Electronic value exchange system and electronic value exchange methodNTT DOCOMO INC·Filed 2006·Granted Mar 1, 2011·4 cites·4 claims
- 1269US7346718B2Autonomous integrated-circuit cardSAKAMURA KEN·Filed 2003·Granted Mar 18, 2008·14 cites·15 claims
- 1368US7416114B2Electronic value transfer device equipped with non-contact IC interfaceSAKAMURA KEN·Filed 2003·Granted Aug 26, 2008·1 cites·8 claims
- 1468US7287165B2IC card, portable terminal, and access control methodNTT DOCOMO INC·Filed 2003·Granted Oct 23, 2007·18 cites·10 claims
- 1568US2009199005A1Authentication device, mobile terminal, and authentication methodNTT DOCOMO INC·Filed 2009·Application pending·0 cites
- 1666US2010094757A1Electronic value exchange user device and third-party deviceNTT DOCOMO INC·Filed 2009·Application pending·0 cites
- 1764US7357329B2IC card, terminal device, and data communication methodSAKAMURA KEN·Filed 2003·Granted Apr 15, 2008·11 cites·12 claims
- 1863US2004158490A1Communication terminal, server apparatus, electronic worth charging method, and electronic worth charging programNTT DOCOMO INC·Filed 2003·Application pending·0 cites
- 1960US7882030B2Connection 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
- 2060US2006212397A1Authentication device, mobile terminal, and authentication methodNTT DOCOMO INC·Filed 2006·Application pending·0 cites
- 2160US2004044625A1Digital contents issuing system and digital contents issuing methodKEN SAKAMURA·Filed 2003·Application pending·0 cites
- 2259US2007250455A1Communication terminal, portable terminal, circulating server, providing server, electronic book distributing method, and eletronic book distributing programNOBORU KOSHIZUKA·Filed 2007·Application pending·0 cites
- 2359US2007149867A1Communication terminal, server apparatus, electronic worth charging method, and electronic worth charging programNOBORU KOSHIZUKA·Filed 2007·Application pending·0 cites
- 2457US7865438B2Electronic value exchange method, user device, and third-party deviceNTT DOCOMO INC·Filed 2006·Granted Jan 4, 2011·0 cites·14 claims
- 2555US7346042B2Information distributing method, information distributing system, information distributing server, mobile communication network system and communication service providing methodNTT DOCOMO INC·Filed 2001·Granted Mar 18, 2008·6 cites·19 claims
- 2652US8468094B2Electronic value exchange system, mobile terminal, and electronic value exchange methodSAKAMURA KEN·Filed 2005·Granted Jun 18, 2013·0 cites·6 claims
- 2751US7340243B2Connection information management system for managing connection information used in communications between IC cardsSAKAMURA KEN·Filed 2003·Granted Mar 4, 2008·1 cites·7 claims
- 2848US7500605B2Tamper resistant device and file generation methodNTT DOCOMO INC·Filed 2006·Granted Mar 10, 2009·0 cites·6 claims
- 2947US2004030896A1IC card and cryptographic communication method between IC cardsKEN SAKAMURA·Filed 2003·Application pending·0 cites
- 3044US2003228886A1Electronic value data communication method, communication system, IC card, portable terminal, and communicationNTT DOCOMO INC·Filed 2003·Application pending·0 cites
- 3142US8161499B2Data processing device and data processing methodSAKAMURA KEN·Filed 2005·Granted Apr 17, 2012·0 cites·5 claims
- 3242US2007204148A1Ic Card And Authority Transfer Control MethodNOBORU KOSHIZUKA·Filed 2005·Application pending·0 cites
- 3341US2006163364A1Ic chip, card and mobile terminal connected to the sameNTT DOCOMO INC·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →