Inventor · disambiguated record
Ryuichi Okamoto
Also filed as: OKAMOTO RYUICHI
34 granted patents·26 pending applications·728 citations·filing 1990–2021
97Inventor score
Files withPANASONIC CORP11OKAMOTO RYUICHI10MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7PANASONIC IP MAN CO LTD7HIGASHI AKIO2
Top patents by PatentIndex Score
60 records- 0196US6901385B2Semiconductor memory card that records contents for trial and purchase, recording apparatus, reproducing apparatus, and sales methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted May 31, 2005·69 cites·13 claims
- 0295US7103663B2License management server, license management system and usage restriction methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Sep 5, 2006·103 cites·38 claims
- 0394US7940935B2Content playback apparatus, content playback method, computer program, key relay apparatus, and recording mediumPANASONIC CORP·Filed 2005·Granted May 10, 2011·19 cites·12 claims
- 0490US7760988B2Content use device and recording mediumPANASONIC CORP·Filed 2005·Granted Jul 20, 2010·9 cites·12 claims
- 0590US6732106B2Digital data distribution systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted May 4, 2004·91 cites·12 claims
- 0689US7395245B2Content usage management system and server used in the systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Jul 1, 2008·63 cites·8 claims
- 0786US6336028B1Software function adding methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jan 1, 2002·39 cites·7 claims
- 0885US7721088B2Terminal device, server device, and content distribution systemPANASONIC CORP·Filed 2007·Granted May 18, 2010·9 cites·11 claims
- 0985US7571488B2Rights management terminal, server apparatus and usage information collection systemPANASONIC CORP·Filed 2005·Granted Aug 4, 2009·16 cites·20 claims
- 1082US5064999AAdvance transaction processing methodHITACHI LTD·Filed 1990·Granted Nov 12, 1991·211 cites·15 claims
- 1181US7835993B2License management device and methodPANASONIC CORP·Filed 2006·Granted Nov 16, 2010·14 cites·7 claims
- 1278US6947775B2System, method, program and storage medium for saving powerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Sep 20, 2005·21 cites·10 claims
- 1377US7676042B2Terminal apparatus, server apparatus, and digital content distribution systemPANASONIC CORP·Filed 2007·Granted Mar 9, 2010·8 cites·16 claims
- 1476US10659306B2Information processing device and method for setting the environment of the devicePANASONIC IP MAN CO LTD·Filed 2018·Granted May 19, 2020·2 cites·2 claims
- 1575US7680808B2Transmission apparatus, content reproduction apparatus, and content and license distribution systemPANASONIC CORP·Filed 2005·Granted Mar 16, 2010·5 cites·16 claims
- 1666US6799279B1Method and apparatus for stopping supply of power to a specific function for playing contents stored on media in response to a low battery levelMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Sep 28, 2004·13 cites·2 claims
- 1763US8468274B2Digital data distribution system with switching unit, online acquisition unit, and conversion unit for converting from first to second formatMATSUSHIMA HIDEKI·Filed 2009·Granted Jun 18, 2013·0 cites·12 claims
- 1861US8260714B2Terminal apparatus and system thereofOKAMOTO RYUICHI·Filed 2008·Granted Sep 4, 2012·3 cites·7 claims
- 1960US9501136B2Information processing devicePANASONIC IP MAN CO LTD·Filed 2014·Granted Nov 22, 2016·1 cites·2 claims
- 2060US7624199B2Digital data distribution system with switching unit, online acquisition unit, and conversion unit for converting from first to second formatPANASONIC CORP·Filed 2001·Granted Nov 24, 2009·3 cites·8 claims
- 2160US2006253400A1Digital content delivery systemOKAMOTO RYUICHI·Filed 2004·Application pending·0 cites
- 2259US7984508B2Contents using device, and contents using methodPANASONIC CORP·Filed 2005·Granted Jul 19, 2011·2 cites·30 claims
- 2358US8904491B2Network connecting device and methodOKAMOTO RYUICHI·Filed 2012·Granted Dec 2, 2014·1 cites·5 claims
- 2458US2004034786A1Content usage management system, and server apparatus and terminal apparatus in the systemFiled 2003·Application pending·0 cites
- 2558US2002152171A1User terminal program and apparatusFiled 2001·Application pending·0 cites
- 2657US2002184515A1Rights management unitFiled 2002·Application pending·0 cites
- 2756US7457779B2User terminal program designated not to receive contents that cannot achieve users' objectPANASONIC CORP·Filed 2005·Granted Nov 25, 2008·0 cites·11 claims
- 2856US2004054678A1Distribution device, terminal device, and program and method for use thereinFiled 2001·Application pending·0 cites
- 2953US9276770B2Network connecting device and methodSHIMOMURA TOMOYUKI·Filed 2012·Granted Mar 1, 2016·1 cites·15 claims
- 3053US2002091643A1Digital data distribution systemFiled 2001·Application pending·0 cites
- 3153US2005160053A1Semiconductor memory card that records contents for trial and purchase, and recording apparatus, recording and reproducing apparatus, and sales method for the sameFiled 2005·Application pending·0 cites
- 3253US2002129235A1Digital data distributing systemFiled 2001·Application pending·0 cites
- 3351US9106797B2Content reproducing device and content reproducing methodOKAMOTO RYUICHI·Filed 2012·Granted Aug 11, 2015·0 cites·20 claims
- 3451US2020165653A1Method of measuring fluid secretion function of epithelial cellsUNIV NAT CORP TOKYO MEDICAL & DENTAL·Filed 2018·Application pending·0 cites
- 3550US8428435B2Content use device and recording mediumYAMAMOTO MASAYA·Filed 2010·Granted Apr 23, 2013·0 cites·12 claims
- 3649US2010250665A1Content distribution system, terminal apparatus, content distribution apparatus, additional information distribution apparatus, content recording method, and recording mediumOKAMOTO RYUICHI·Filed 2009·Application pending·0 cites
- 3748US11874177B2Image display device and image display methodPANASONIC IP MAN CO LTD·Filed 2020·Granted Jan 16, 2024·0 cites·11 claims
- 3848US10523594B2Information processing apparatus and network switching methodPANASONIC IP MAN CO LTD·Filed 2018·Granted Dec 31, 2019·0 cites·3 claims
- 3948US8166555B2Content reproducing device and content preproducing methodOKAMOTO RYUICHI·Filed 2005·Granted Apr 24, 2012·0 cites·21 claims
- 4047US9686325B2Client terminal's tethering function is selectively turn on or off based on network connectionPANASONIC CORP·Filed 2014·Granted Jun 20, 2017·0 cites·8 claims
- 4147US2021231502A1Information processing apparatus for helping intuitive and easy recognition of temperature of heat sourcePANASONIC IP MAN CO LTD·Filed 2021·Application pending·0 cites
- 4245US2006085814A1Digital content reproduction device and digital content use control methodOKAMOTO RYUICHI·Filed 2004·Application pending·0 cites
- 4345US2005256796A1Mutual rating system, and terminal device and program for use in same systemHAGA TOMOYUKI·Filed 2003·Application pending·0 cites
- 4444US8521651B2Digital content reproducing apparatus and method thereofOKAMOTO RYUICHI·Filed 2004·Granted Aug 27, 2013·0 cites·10 claims
- 4544US2007112681A1Content distribution system, license distribution method and terminal deviceNIWANO SATOSHI·Filed 2004·Application pending·0 cites
- 4644US2008040282A1Content Use SystemYAMAMOTO MASAYA·Filed 2005·Application pending·0 cites
- 4744US2008030618A1Content Receiving Apparatus, Content Receiving Method, And Content Distributing SystemOKAMOTO RYUICHI·Filed 2005·Application pending·0 cites
- 4843US2003028622A1License management server, terminal device, license management system and usage restriction control methodFiled 2002·Application pending·0 cites
- 4942US2008040738A1Content Reproduction TerminalOKAMOTO RYUICHI·Filed 2005·Application pending·0 cites
- 5042US2015189022A1Information processing apparatusPANASONIC IP MAN CO LTD·Filed 2014·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →