Inventor
KATSUYAMA AKIRA
JP36 patents
⚠️ This page may combine multiple inventors who share the name “KATSUYAMA AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SONY CORP
29 patentsUS5740304AApr 14, 1998
Method and apparatus for replaying recording medium from any bookmark-set position thereon
SONY CORP111 citations97
US5701385ADec 23, 1997
Apparatus for replaying a recording medium having means for displaying the contents of the recording medium as graphics images which include a series of intra-pictures
SONY CORP110 citations97
US5732059AMar 24, 1998
Synchronous dubbing system and method thereof
SONY CORP93 citations96
US5608730AMar 4, 1997
Bi-directional communication system
SONY CORP82 citations96
US5598278AJan 28, 1997
System configuration method for audio-video apparatus with digital bus interface
SONY CORP55 citations96
US5402419AMar 28, 1995
Transmitting method, receiving method, and communication method for bi-directional bus system, and bi-directional bus system
SONY CORP57 citations96
US5488357AJan 30, 1996
Remote controlling method and system feature starting method and controlling method for audio/visual system
SONY CORP72 citations95
US7474248B2Jan 6, 2009
Remote controller and remote control method
SONY CORP20 citations93
US5802300ASep 1, 1998
Audio video system
SONY CORP18 citations92
US5768224AJun 16, 1998
AV system and method of establishing a connection setting for AV component devices
SONY CORP26 citations92
US5548725AAug 20, 1996
System for transmitting command and/or data in a single packet and automatically reporting status a predetermined time after receiving a command
SONY CORP23 citations92
US6208800B1Mar 27, 2001
Recording apparatus, recording system, and recording method
SONY CORP18 citations83
US5644558AJul 1, 1997
Recording and/or reproducing apparatus for disc-shaped recording medium
SONY CORP18 citations82
US7821377B2Oct 26, 2010
Remote controller, equipment operation system, and remote control method
SONY CORP12 citations79
US5796352AAug 18, 1998
Audio video equipment system with bus line and method of establishing a connection setting for the audio video equipment system
SONY CORP16 citations74
US5550979AAug 27, 1996
Audio video system
SONY CORP12 citations74
US5448562ASep 5, 1995
Bi-directional bus system and transmitting, receiving, and communication methods for same
SONY CORP13 citations74
US4723234AFeb 2, 1988
Optical disc player
SONY CORP18 citations74
US4541022ASep 10, 1985
Devices for displaying addresses on a record medium
SONY CORP12 citations74
US4512003AApr 16, 1985
Control circuitry for preliminary focusing of light on a record medium surface in an optical reproducing apparatus
SONY CORP14 citations74
US4495608AJan 22, 1985
Device for rapidly moving an optical pick-up device in an optical reproducing apparatus to a desired position on a record disc
SONY CORP16 citations74
US6313812B1Nov 6, 2001
Single remote control system for plurality of audio and visual equipment
SONY CORP12 citations73
US5859821AJan 12, 1999
Record medium with managed digest portions of programs, reproducing apparatus thereof, and reproducing method thereof
SONY CORP16 citations73
US5978324ANov 2, 1999
Disc recording/reproducing unit elastically supported on a main body of the apparatus including a lock mechanism for the elastic support device
SONY CORP11 citations72
US5828633AOct 27, 1998
Disc recording and/or reproducing changer with disc transporting mechanism and disc detector
SONY CORP7 citations72
US5712738AJan 27, 1998
Method of controlling signal lines among audio and/or video apparatus
SONY CORP4 citations63
US4577300AMar 18, 1986
Disc players for reproducing an information signal from a rotating disc
SONY CORP6 citations63
US9196155B2Nov 24, 2015
Remote control device, information processing apparatus, information processing system, and remote control method
SONY CORP1 citations52
US7493085B2Feb 17, 2009
Remote control transmitter apparatus
SONY CORP1 citations51