P

Inventor

OSAWA YOSHITOMO

JP105 patents
⚠️ This page may combine multiple inventors who share the name “OSAWA YOSHITOMO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

48 patents
US6360320B2Mar 19, 2002

Information 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 processed

SONY CORP154 citations99
US6223285B1Apr 24, 2001

Method and system for transferring information using an encryption mode indicator

SONY CORP174 citations99
US5883958AMar 16, 1999

Method 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 recording

SONY CORP156 citations99
US7319752B2Jan 15, 2008

Information recording device, information playback device, information recording method, information playback method, and information recording medium and program providing medium used therewith

SONY CORP88 citations98
US7225339B2May 29, 2007

Information recording/playback apparatus and method

SONY CORP70 citations98
US7203968B2Apr 10, 2007

Method and apparatus for selectively executing information recording using a cognizant mode and a non-cognizant mode

SONY CORP81 citations98
US6728379B1Apr 27, 2004

Information processor and information processing method

SONY CORP114 citations98
US6516064B1Feb 4, 2003

Signal recording apparatus, signal record medium and signal reproducing apparatus

SONY CORP97 citations98
US6005839ADec 21, 1999

Data transmitting method, data recording apparatus, data record medium and data reproducing apparatus

SONY CORP124 citations98
US7181624B2Feb 20, 2007

Information recording/playback apparatus and method

SONY CORP46 citations96
US7167564B2Jan 23, 2007

Information processing system and method

SONY CORP51 citations96
US7065214B2Jun 20, 2006

Information processing apparatus, information processing method, information processing system and recording medium

SONY CORP42 citations96
US6999587B1Feb 14, 2006

Information recording/reproducing system

SONY CORP54 citations96
US6978377B1Dec 20, 2005

Copy protection using detailed copy control information

SONY CORP64 citations96
US6944763B1Sep 13, 2005

Data transmission system

SONY CORP24 citations96
US6834346B1Dec 21, 2004

Content processing system

SONY CORP64 citations96
US6697945B2Feb 24, 2004

Information processing apparatus, information processing method, information processing system and recording medium

SONY CORP63 citations96
US6256391B1Jul 3, 2001

Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method

SONY CORP45 citations96
US6134201AOct 17, 2000

Data recording apparatus, method therefor, data reproducing apparatus, method therefor and record medium

SONY CORP45 citations96
US6009170ADec 28, 1999

Method for appending a signal with ciphered playback mode information

SONY CORP76 citations96
US5901127AMay 4, 1999

Data recording method and apparatus, data record medium and data reproducing method and apparatus

SONY CORP51 citations96
US5802174ASep 1, 1998

Data recording medium

SONY CORP70 citations96
US7346170B2Mar 18, 2008

Information processing system and method

SONY CORP56 citations94
US7636843B1Dec 22, 2009

Information transmission system and method, drive device and access method, information recording medium, device and method for producing recording medium

SONY CORP23 citations93
US7242769B2Jul 10, 2007

Enciphering apparatus and method, deciphering apparatus and method as well as information processing apparatus and method

SONY CORP10 citations93
US7073061B2Jul 4, 2006

Data transmission system

SONY CORP17 citations93
US6934463B2Aug 23, 2005

Information processing apparatus, information processing method, information processing system and recording medium

SONY CORP26 citations93
US6742118B1May 25, 2004

Information processing apparatus, information processing method, data recording medium, and information processing system

SONY CORP29 citations93
US6546490B2Apr 8, 2003

Signal transmision method

SONY CORP25 citations93
US6539094B1Mar 25, 2003

Data transmission apparatus and method, data receiving apparatus and method, and data transmitting/receiving system and method

SONY CORP32 citations93
US6487293B2Nov 26, 2002

Method and apparatus for reproducing ciphered data

SONY CORP17 citations93
US6463153B1Oct 8, 2002

Method for transmitting data apparatus for recording data medium for recording data and apparatus for reproducing data

SONY CORP40 citations93
US6445795B1Sep 3, 2002

Data recording method and apparatus, data record medium and data reproducing method and apparatus

SONY CORP20 citations93
US6363209B2Mar 26, 2002

Signal recording/reproducing method and apparatus, signal record medium and signal

SONY CORP27 citations93
US6215745B1Apr 10, 2001

Decoding key recorded at a recording site in order to decode information transmitted to that site is encoded with information specific to the recording site

SONY CORP23 citations93
US5930367AJul 27, 1999

Apparatus for recording/reproducing or transmitting/receiving signal data having a portion of an error correction code replaced with other information and methods thereof

SONY CORP43 citations93
US7269257B2Sep 11, 2007

System and method for processing information using encryption key block

SONY CORP24 citations92
US7093128B2Aug 15, 2006

Information recording/reproducing apparatus and method

SONY CORP27 citations92
US6911974B2Jun 28, 2005

Information processing system and method

SONY CORP33 citations92
US7376626B2May 20, 2008

Information recording medium, information processing apparatus, information processing method, and computer program

SONY CORP20 citations90
US7738662B2Jun 15, 2010

Information processing system and method

SONY CORP8 citations84
US7505599B2Mar 17, 2009

Information processing system and method for managing encrypted data with tag information

SONY CORP8 citations84
US7401231B2Jul 15, 2008

Information recording/playback device and method

SONY CORP18 citations84
US7380132B2May 27, 2008

Data recording method and apparatus, data record medium and data reproducing method and apparatus

SONY CORP10 citations84
US7346169B2Mar 18, 2008

Information processing device and method

SONY CORP19 citations84
US7310731B2Dec 18, 2007

Contents processing system

SONY CORP13 citations84
US7283633B2Oct 16, 2007

Information recording and/or reproducing method and information recording and/or reproducing device

SONY CORP14 citations84
US7260719B1Aug 21, 2007

Information processing system, information processing method, and information processing device

SONY CORP16 citations84

SONY ELECTRONICS INC

1 patent

ISHIGURO RYUJI

1 patent

Showing the top 50 of 105 patents by PatentIndex Score.