Inventor · disambiguated record
Yoshitomo Osawa
Also filed as: OSAWA YOSHITOMO
105 granted patents·4 pending applications·2,612 citations·filing 1996–2021
99Inventor score
Files withSONY CORP92ASANO TOMOYUKI6ISHIGURO RYUJI2SONY SEMICONDUCTOR SOLUTIONS CORP2NAGAI NORIHIRO1
Top patents by PatentIndex Score
109 records- 0197US7203968B2Method and apparatus for selectively executing information recording using a cognizant mode and a non-cognizant modeSONY CORP·Filed 2001·Granted Apr 10, 2007·81 cites·5 claims
- 0297US6978377B1Copy protection using detailed copy control informationSONY CORP·Filed 2000·Granted Dec 20, 2005·64 cites·24 claims
- 0396US7319752B2Information recording device, information playback device, information recording method, information playback method, and information recording medium and program providing medium used therewithSONY CORP·Filed 2001·Granted Jan 15, 2008·88 cites·16 claims
- 0496US7073061B2Data transmission systemSONY CORP·Filed 2005·Granted Jul 4, 2006·17 cites·1 claims
- 0596US6005839AData transmitting method, data recording apparatus, data record medium and data reproducing apparatusSONY CORP·Filed 1996·Granted Dec 21, 1999·124 cites·10 claims
- 0695US7225339B2Information recording/playback apparatus and methodSONY CORP·Filed 2001·Granted May 29, 2007·70 cites·44 claims
- 0795US7181624B2Information recording/playback apparatus and methodSONY CORP·Filed 2001·Granted Feb 20, 2007·46 cites·40 claims
- 0895US6999587B1Information recording/reproducing systemSONY CORP·Filed 2000·Granted Feb 14, 2006·54 cites·67 claims
- 0994US7177427B1Method and system for transferring information using an encryption mode indicatorSONY ELECTRONICS INC·Filed 2000·Granted Feb 13, 2007·76 cites·20 claims
- 1094US6944763B1Data transmission systemSONY CORP·Filed 2000·Granted Sep 13, 2005·24 cites·44 claims
- 1194US6516064B1Signal recording apparatus, signal record medium and signal reproducing apparatusSONY CORP·Filed 1996·Granted Feb 4, 2003·97 cites·10 claims
- 1294US6223285B1Method and system for transferring information using an encryption mode indicatorSONY CORP·Filed 1997·Granted Apr 24, 2001·174 cites·16 claims
- 1394US6009170AMethod for appending a signal with ciphered playback mode informationSONY CORP·Filed 1996·Granted Dec 28, 1999·76 cites·16 claims
- 1493US6975726B2Data transmission systemSONY CORP·Filed 2005·Granted Dec 13, 2005·8 cites·1 claims
- 1592US6934463B2Information processing apparatus, information processing method, information processing system and recording mediumSONY CORP·Filed 2002·Granted Aug 23, 2005·26 cites·35 claims
- 1692US5901127AData recording method and apparatus, data record medium and data reproducing method and apparatusSONY CORP·Filed 1996·Granted May 4, 1999·51 cites·12 claims
- 1792US5802174AData recording mediumSONY CORP·Filed 1996·Granted Sep 1, 1998·70 cites·28 claims
- 1891US7636843B1Information transmission system and method, drive device and access method, information recording medium, device and method for producing recording mediumSONY CORP·Filed 2000·Granted Dec 22, 2009·23 cites·101 claims
- 1991US7587597B2Data transmission systemSONY CORP·Filed 2005·Granted Sep 8, 2009·6 cites·1 claims
- 2091US7296153B2Data transmission systemSONY CORP·Filed 2005·Granted Nov 13, 2007·6 cites·1 claims
- 2190US8170206B2Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and methodISHIGURO RYUJI·Filed 2010·Granted May 1, 2012·9 cites·102 claims
- 2290US7263613B2Data transmission systemSONY CORP·Filed 2005·Granted Aug 28, 2007·5 cites·1 claims
- 2390US7085930B2Data transmission systemSONY CORP·Filed 2005·Granted Aug 1, 2006·5 cites·1 claims
- 2489US7242769B2Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and methodSONY CORP·Filed 2006·Granted Jul 10, 2007·10 cites·18 claims
- 2589US6728379B1Information processor and information processing methodSONY CORP·Filed 1999·Granted Apr 27, 2004·114 cites·22 claims
- 2689US6360320B2Information processing apparatus, information processing method, information processing system and recording medium using an apparatus id and provided license key for authentication of each information to be processedSONY CORP·Filed 1998·Granted Mar 19, 2002·154 cites·70 claims
- 2788US7269257B2System and method for processing information using encryption key blockSONY CORP·Filed 2001·Granted Sep 11, 2007·24 cites·40 claims
- 2888US7167564B2Information processing system and methodSONY CORP·Filed 2001·Granted Jan 23, 2007·51 cites·17 claims
- 2987US8005214B2Data transmission systemSONY CORP·Filed 2009·Granted Aug 23, 2011·3 cites·17 claims
- 3087US7412606B2Copy protection using detailed copy control informationSONY CORP·Filed 2005·Granted Aug 12, 2008·5 cites·12 claims
- 3187US7346170B2Information processing system and methodSONY CORP·Filed 2001·Granted Mar 18, 2008·56 cites·17 claims
- 3287US7065214B2Information processing apparatus, information processing method, information processing system and recording mediumSONY CORP·Filed 2002·Granted Jun 20, 2006·42 cites·6 claims
- 3387US6463153B1Method for transmitting data apparatus for recording data medium for recording data and apparatus for reproducing dataSONY CORP·Filed 1999·Granted Oct 8, 2002·40 cites·13 claims
- 3486US8594325B2Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and methodISHIGURO RYUJI·Filed 2012·Granted Nov 26, 2013·5 cites·33 claims
- 3586US7860248B2Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and methodSONY CORP·Filed 2007·Granted Dec 28, 2010·7 cites·8 claims
- 3685US7746738B2Data processing method, information recording medium manufacturing management system, recording data generation apparatus and method, and computer programSONY CORP·Filed 2005·Granted Jun 29, 2010·6 cites·9 claims
- 3785US7739495B2Data transmitting system and method, drive unit, access method, data recording medium, recording medium producing apparatus and methodSONY CORP·Filed 2007·Granted Jun 15, 2010·4 cites·63 claims
- 3885US7376626B2Information recording medium, information processing apparatus, information processing method, and computer programSONY CORP·Filed 2003·Granted May 20, 2008·20 cites·5 claims
- 3985US5930367AApparatus for recording/reproducing or transmitting/receiving signal data having a portion of an error correction code replaced with other information and methods thereofSONY CORP·Filed 1996·Granted Jul 27, 1999·43 cites·72 claims
- 4085US5883958AMethod and device for data decryption, a method and device for device identification, a recording medium, a method of disk production, and a method and apparatus for disk recordingSONY CORP·Filed 1997·Granted Mar 16, 1999·156 cites·23 claims
- 4184US7401231B2Information recording/playback device and methodSONY CORP·Filed 2002·Granted Jul 15, 2008·18 cites·68 claims
- 4284US7346169B2Information processing device and methodSONY CORP·Filed 2001·Granted Mar 18, 2008·19 cites·2 claims
- 4383US7487552B2Method and apparatus for ciphering playback mode information for recording on record mediumSONY CORP·Filed 2006·Granted Feb 3, 2009·6 cites·10 claims
- 4483US7134023B2Data transmission systemSONY CORP·Filed 2005·Granted Nov 7, 2006·2 cites·1 claims
- 4583US6911974B2Information processing system and methodSONY CORP·Filed 2001·Granted Jun 28, 2005·33 cites·27 claims
- 4682US7380132B2Data recording method and apparatus, data record medium and data reproducing method and apparatusSONY CORP·Filed 2002·Granted May 27, 2008·10 cites·6 claims
- 4782US7233665B1Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and methodSONY CORP·Filed 2006·Granted Jun 19, 2007·5 cites·25 claims
- 4881US7882564B2Information recording/playback apparatus and methodSONY CORP·Filed 2007·Granted Feb 1, 2011·3 cites·22 claims
- 4981US7738662B2Information processing system and methodSONY CORP·Filed 2006·Granted Jun 15, 2010·8 cites·9 claims
- 5079US8458458B2Data transmitting system and method, drive unit, access method, data recording medium, recording medium producing apparatus and methodASANO TOMOYUKI·Filed 2010·Granted Jun 4, 2013·3 cites·17 claims
Showing the top 50 of 109 patent records by PatentIndex Score.
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