Inventor
TAMURA MASAFUMI
JP27 patents
⚠️ This page may combine multiple inventors who share the name “TAMURA MASAFUMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
14 patentsUS6553180B1Apr 22, 2003
Digital information recording/playback system and digital information recording medium
TOSHIBA KK275 citations99
US6847950B1Jan 25, 2005
Contents managing method and contents managing apparatus
TOSHIBA KK85 citations97
US7167635B1Jan 23, 2007
System for recording audio information with image
TOSHIBA KK32 citations93
US4852184AJul 25, 1989
Method and system for spectacles frame image processing and recording
TOSHIBA KK75 citations93
US7403695B2Jul 22, 2008
Digital information recording/playback system and digital information recording medium
TOSHIBA KK19 citations92
US7096011B2Aug 22, 2006
Electronic apparatus and service providing method used in the electronic apparatus
TOSHIBA KK20 citations92
US6501727B1Dec 31, 2002
Recording medium and recording/playback apparatus capable of recording and reproducing recording reservation information and additional information indicating whether the recording reservation information is valid
TOSHIBA KK26 citations92
US6243353B1Jun 5, 2001
Recording/playback apparatus using recording reservation information written onto recording medium
TOSHIBA KK31 citations92
US4709264ANov 24, 1987
Picture processing apparatus
TOSHIBA KK45 citations90
US7327941B1Feb 5, 2008
System for handling audio information with representative image
TOSHIBA KK10 citations84
US7286746B1Oct 23, 2007
Medium for storing audio/image information and management system thereof
TOSHIBA KK18 citations84
US6654820B1Nov 25, 2003
System capable of recording a content onto a recording medium which does not have a medium ID
TOSHIBA KK16 citations83
US7304581B2Dec 4, 2007
Mobile information apparatus and moving method therefor, and information system and position estimation method
TOSHIBA KK11 citations77
US7519269B2Apr 14, 2009
Video recording/reproducing apparatus and method based on program information
TOSHIBA KK3 citations62
SONY CORP
8 patentsUS6772422B2Aug 3, 2004
Electronic apparatus
SONY CORP23 citations88
US5506738AApr 9, 1996
Tape cassette with tape guide support structure
SONY CORP11 citations73
US5289324AFeb 22, 1994
Cassette holder with means for opening and closing the closure member of a cassette
SONY CORP10 citations73
US7046233B2May 16, 2006
Electronic apparatus
SONY CORP7 citations68
US5191493AMar 2, 1993
Cassette ejecting mechanism of a tape player
SONY CORP3 citations63
US5159507AOct 27, 1992
Tape recording and/or reproducing apparatus with a single motor for driving its rotary heads, capstan and reel bases
SONY CORP4 citations60
US5638232AJun 10, 1997
Recording and/or reproducing apparatus for tape-shaped recording medium
SONY CORP2 citations59
US7089572B2Aug 8, 2006
Electronic apparatus
SONY CORP2 citations58
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
5 patentsUS7137012B1Nov 14, 2006
Storage medium and contents protection method using the storage medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD81 citations97
US6581160B1Jun 17, 2003
Revocation information updating method, revocation information updating apparatus and storage medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD45 citations96
US7065648B1Jun 20, 2006
Mutual authentication method, recording apparatus, reproducing apparatus, and recording medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD55 citations92
US6850914B1Feb 1, 2005
Revocation information updating method, revocation informaton updating apparatus and storage medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD39 citations92
US7392225B2Jun 24, 2008
Revocation information updating method, revocation information updating apparatus and storage medium
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD2 citations63