Inventor · disambiguated record
Tohru Nakahara
Also filed as: NAKAHARA TOHRU
15 granted patents·10 pending applications·187 citations·filing 1984–2012
92Inventor score
Files withPANASONIC CORP8NAKAHARA TOHRU3OKAMOTO RYUICHI3MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2MATSUZAKI NATSUME2
Top patents by PatentIndex Score
25 records- 0194US7940935B2Content playback apparatus, content playback method, computer program, key relay apparatus, and recording mediumPANASONIC CORP·Filed 2005·Granted May 10, 2011·19 cites·12 claims
- 0286US7725399B2Content usage device and network system, and license information acquisition methodPANASONIC CORP·Filed 2002·Granted May 25, 2010·34 cites·13 claims
- 0386US7359883B2License management system, license management device, relay device and terminal deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Apr 15, 2008·35 cites·16 claims
- 0477US8077980B2Image processing apparatusMATSUZAKI NATSUME·Filed 2005·Granted Dec 13, 2011·5 cites·1 claims
- 0576US7451202B2Information management system having a common management server for establishing secure communication among groups formed out of a plurality of terminalsPANASONIC CORP·Filed 2003·Granted Nov 11, 2008·24 cites·19 claims
- 0673US7260720B2Device authentication system and method for determining whether a plurality of devices belong to a groupMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Aug 21, 2007·19 cites·31 claims
- 0773US4571461AConference telephone apparatusNEC CORP·Filed 1984·Granted Feb 18, 1986·31 cites·15 claims
- 0869US8879400B2Mobile communication system, base station, cell coverage control methodKOIKE HITOSHI·Filed 2012·Granted Nov 4, 2014·3 cites·18 claims
- 0961US8260714B2Terminal apparatus and system thereofOKAMOTO RYUICHI·Filed 2008·Granted Sep 4, 2012·3 cites·7 claims
- 1059US7984508B2Contents using device, and contents using methodPANASONIC CORP·Filed 2005·Granted Jul 19, 2011·2 cites·30 claims
- 1159US7630922B2Content distribution management system and content distribution management methodPANASONIC CORP·Filed 2002·Granted Dec 8, 2009·4 cites·5 claims
- 1258US7715564B2License information conversion apparatusPANASONIC CORP·Filed 2002·Granted May 11, 2010·6 cites·6 claims
- 1358US2004034786A1Content usage management system, and server apparatus and terminal apparatus in the systemFiled 2003·Application pending·0 cites
- 1456US8483695B2Wireless terminal, wireless controller, core-network device, and wireless base stationNAKAHARA TOHRU·Filed 2009·Granted Jul 9, 2013·2 cites·1 claims
- 1551US9106797B2Content reproducing device and content reproducing methodOKAMOTO RYUICHI·Filed 2012·Granted Aug 11, 2015·0 cites·20 claims
- 1648US8166555B2Content reproducing device and content preproducing methodOKAMOTO RYUICHI·Filed 2005·Granted Apr 24, 2012·0 cites·21 claims
- 1745US2004162846A1Content use management systemFiled 2004·Application pending·0 cites
- 1845US2004186853A1Content reproduction apparatus, license issue server, and content reproduction systemFiled 2004·Application pending·0 cites
- 1942US2007194882A1Authentication system and authentication apparatusKONINKL PHILIPS ELECTRONICS NV·Filed 2005·Application pending·0 cites
- 2041US2007239615A1Personal Information Management Device, Distributed Key Storage Device, and Personal Information Management SystemMATSUZAKI NATSUME·Filed 2005·Application pending·0 cites
- 2141US2002107806A1Content usage management system and content usage management methodFiled 2002·Application pending·0 cites
- 2241US2011157211A1Display control device and display control methodPANASONIC CORP·Filed 2010·Application pending·0 cites
- 2339US2011074820A1Information displaying device and information displaying methodPANASONIC CORP·Filed 2010·Application pending·0 cites
- 2435US2008281942A1Data Processing DeviceNAKAHARA TOHRU·Filed 2005·Application pending·0 cites
- 2533US2012252472A1Wireless communication system, user terminal, base station, and communication methodNAKAHARA TOHRU·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →