Inventor · disambiguated record
Noboru Koshizuka
Also filed as: KOSHIZUKA NOBORU
19 granted patents·8 pending applications·154 citations·filing 2003–2008
93Inventor score
Top patents by PatentIndex Score
27 records- 0191US8306919B2IC card and authentication method in electronic ticket distribution systemSAKAMURA KEN·Filed 2007·Granted Nov 6, 2012·46 cites·2 claims
- 0276US8370643B2Cryptographic module selecting device and programTOSHIBA SOLUTIONS CORP·Filed 2008·Granted Feb 5, 2013·8 cites·9 claims
- 0376US8122261B2Data communication apparatus and data communication methodSAKAMURA KEN·Filed 2005·Granted Feb 21, 2012·7 cites·2 claims
- 0476US7814557B2IC card and access control methodNTT DOCOMO INC·Filed 2005·Granted Oct 12, 2010·8 cites·3 claims
- 0572US7975029B2Terminal equipmentNTT DOCOMO INC·Filed 2006·Granted Jul 5, 2011·6 cites·5 claims
- 0672US7403924B2Communication 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
- 0771US7580897B2IC card and authentication method in electronic ticket distribution systemSAKAMURA KEN·Filed 2003·Granted Aug 25, 2009·21 cites·4 claims
- 0869US8417964B2Software module management device and programMIYAZAKI SHINGO·Filed 2008·Granted Apr 9, 2013·4 cites·20 claims
- 0969US7896236B2Electronic value exchange system and electronic value exchange methodNTT DOCOMO INC·Filed 2006·Granted Mar 1, 2011·4 cites·4 claims
- 1069US7346718B2Autonomous integrated-circuit cardSAKAMURA KEN·Filed 2003·Granted Mar 18, 2008·14 cites·15 claims
- 1168US7416114B2Electronic value transfer device equipped with non-contact IC interfaceSAKAMURA KEN·Filed 2003·Granted Aug 26, 2008·1 cites·8 claims
- 1267US8688969B2Cryptographic management apparatus, decryption management apparatus and programMIYAZAKI SHINGO·Filed 2008·Granted Apr 1, 2014·4 cites·14 claims
- 1364US7357329B2IC card, terminal device, and data communication methodSAKAMURA KEN·Filed 2003·Granted Apr 15, 2008·11 cites·12 claims
- 1463US2004158490A1Communication terminal, server apparatus, electronic worth charging method, and electronic worth charging programNTT DOCOMO INC·Filed 2003·Application pending·0 cites
- 1560US8406422B2Cryptographic module management apparatus, method, and programMIYAZAKI SHINGO·Filed 2008·Granted Mar 26, 2013·2 cites·10 claims
- 1660US8396218B2Cryptographic module distribution system, apparatus, and programMIYAZAKI SHINGO·Filed 2008·Granted Mar 12, 2013·2 cites·35 claims
- 1760US7882030B2Connection 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
- 1860US2004044625A1Digital contents issuing system and digital contents issuing methodKEN SAKAMURA·Filed 2003·Application pending·0 cites
- 1959US2007250455A1Communication terminal, portable terminal, circulating server, providing server, electronic book distributing method, and eletronic book distributing programNOBORU KOSHIZUKA·Filed 2007·Application pending·0 cites
- 2059US2007149867A1Communication terminal, server apparatus, electronic worth charging method, and electronic worth charging programNOBORU KOSHIZUKA·Filed 2007·Application pending·0 cites
- 2152US8468094B2Electronic value exchange system, mobile terminal, and electronic value exchange methodSAKAMURA KEN·Filed 2005·Granted Jun 18, 2013·0 cites·6 claims
- 2251US7340243B2Connection information management system for managing connection information used in communications between IC cardsSAKAMURA KEN·Filed 2003·Granted Mar 4, 2008·1 cites·7 claims
- 2347US2004030896A1IC card and cryptographic communication method between IC cardsKEN SAKAMURA·Filed 2003·Application pending·0 cites
- 2444US2003228886A1Electronic value data communication method, communication system, IC card, portable terminal, and communicationNTT DOCOMO INC·Filed 2003·Application pending·0 cites
- 2542US8161499B2Data processing device and data processing methodSAKAMURA KEN·Filed 2005·Granted Apr 17, 2012·0 cites·5 claims
- 2642US2007204148A1Ic Card And Authority Transfer Control MethodNOBORU KOSHIZUKA·Filed 2005·Application pending·0 cites
- 2741US2006163364A1Ic chip, card and mobile terminal connected to the sameNTT DOCOMO INC·Filed 2003·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Noboru Koshizuka files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →