P

Inventor

KAWASHIMA ISAO

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

SONY CORP

41 patents
US6930987B1Aug 16, 2005

Communication device communication method, and communication terminal device

SONY CORP174 citations99
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
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
US5422942AJun 6, 1995

Incoming call transfer terminal

SONY CORP63 citations96
US6546490B2Apr 8, 2003

Signal transmision method

SONY CORP25 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
US5818911AOct 6, 1998

Information communication system and transmitting and terminal apparatus for the same

SONY CORP25 citations93
US5542072AJul 30, 1996

Database system and method for accessing the same

SONY CORP28 citations93
US7620900B2Nov 17, 2009

System and method for accessing data using a plurality of independent pointing devices

SONY CORP28 citations92
US7380132B2May 27, 2008

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

SONY CORP10 citations84
US4138121AFeb 6, 1979

Tone arm assembly

SONY CORP20 citations78
US7487552B2Feb 3, 2009

Method and apparatus for ciphering playback mode information for recording on record medium

SONY CORP6 citations74
US6687828B1Feb 3, 2004

Method and apparatus for ciphering playback mode information for recording on record medium

SONY CORP6 citations74
US6345145B1Feb 5, 2002

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

SONY CORP8 citations74
US6345146B1Feb 5, 2002

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

SONY CORP4 citations74
US5568551AOct 22, 1996

Data management method and system thereof

SONY CORP14 citations74
US5504893AApr 2, 1996

Database system and method for accessing the same

SONY CORP16 citations74
US3997174ADec 14, 1976

Turntable mat

SONY CORP12 citations74
US4184688AJan 22, 1980

Tone arm assembly

SONY CORP19 citations71
US4545500AOct 8, 1985

Magnetic tape cassette

SONY CORP12 citations67
US7401228B2Jul 15, 2008

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

SONY CORP2 citations63
US7398251B2Jul 8, 2008

Method and apparatus for transmitting and receiving a decoding key encoded with specific information to decode encrypted information of a record medium

SONY CORP1 citations63
US7246095B2Jul 17, 2007

Method and apparatus for transmitting and receiving a decoding key encoded with specific information to decode encrypted information of a record medium

SONY CORP1 citations63
US7062785B2Jun 13, 2006

Method and apparatus for ciphering playback mode information for recording on record medium

SONY CORP2 citations63
US6944297B2Sep 13, 2005

Method and apparatus for reproducing ciphered data

SONY CORP2 citations63
US6882987B2Apr 19, 2005

Methods and apparatus for transmitting and receiving a decoding key encoded with specific information to decode encrypted information of a record medium

SONY CORP1 citations63
US4079946AMar 21, 1978

Turntable assembly for phonograph records

SONY CORP6 citations63
US7428369B2Sep 23, 2008

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

SONY CORP0 citations52
US7366700B2Apr 29, 2008

Method and apparatus for transmitting and receiving a decoding key encoded with specific information to decode encrypted information of a record medium

SONY CORP0 citations52
US7321878B2Jan 22, 2008

Method and apparatus for transmitting and receiving a decoding key encoded with specific information to decode encrypted information of a record medium

SONY CORP0 citations52
US7249101B2Jul 24, 2007

Method and apparatus for transmitting and receiving a decoding key encoded with specific information to decode encrypted information of a record medium

SONY CORP0 citations52
US7246096B2Jul 17, 2007

Method and apparatus for transmitting and receiving a decoding key encoded with specific information to decode encrypted information of a record medium

SONY CORP0 citations52

TS TECH CO LTD

6 patents

NIPPON TELEGRAPH & TELEPHONE

1 patent

SONY CORPORATIOIN

1 patent

SAKO YOICHIRO

1 patent