P

Inventor

IKEDO YUJI

JP49 patents
⚠️ This page may combine multiple inventors who share the name “IKEDO YUJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

PIONEER ELECTRONIC CORP

38 patents
US5226032AJul 6, 1993

Disk player having a plurality of movable disk holding trays

PIONEER ELECTRONIC CORP22 citations92
US4794580ADec 27, 1988

Pickup system in optical information recording and reproducing apparatus with damped lead wires

PIONEER ELECTRONIC CORP29 citations92
US5195078AMar 16, 1993

Recording medium conveying device including a pair of circular coaxial gears

PIONEER ELECTRONIC CORP23 citations91
US4507768AMar 26, 1985

Automatic disc loading and unloading system for recording-disc playback apparatus

PIONEER ELECTRONIC CORP38 citations91
US5504729AApr 2, 1996

Multi-tray disk player with selective tray latching

PIONEER ELECTRONIC CORP19 citations84
US6680882B2Jan 20, 2004

System for reproducing a disc

PIONEER ELECTRONIC CORP14 citations83
US5159585AOct 27, 1992

Multi-disk player system incorporating disk search and disk selection functions

PIONEER ELECTRONIC CORP18 citations81
US4969138ANov 6, 1990

Multi-disk player system

PIONEER ELECTRONIC CORP22 citations81
US4947481AAug 7, 1990

Information reader for disk player

PIONEER ELECTRONIC CORP22 citations81
US4788673ANov 29, 1988

Multi-disk player system

PIONEER ELECTRONIC CORP17 citations81
US4730291AMar 8, 1988

Multi-disk player system

PIONEER ELECTRONIC CORP22 citations81
US4811324AMar 7, 1989

Double-sided disk player

PIONEER ELECTRONIC CORP14 citations74
US4788677ANov 29, 1988

Disk support mechanism in a player

PIONEER ELECTRONIC CORP19 citations74
US4641298AFeb 3, 1987

Auto loading disc player

PIONEER ELECTRONIC CORP9 citations74
US4340952AJul 20, 1982

Automatic disc loading mechanism

PIONEER ELECTRONIC CORP8 citations74
US5084854AJan 28, 1992

Optical disk reproducing apparatus

PIONEER ELECTRONIC CORP17 citations73
US4926406AMay 15, 1990

Disk player

PIONEER ELECTRONIC CORP10 citations73
US4811319AMar 7, 1989

Multi-disk player system

PIONEER ELECTRONIC CORP11 citations73
US4809252AFeb 28, 1989

Multi-disk player system

PIONEER ELECTRONIC CORP13 citations73
US4631716ADec 23, 1986

Operation changeover mechanism

PIONEER ELECTRONIC CORP20 citations73
US4347596AAug 31, 1982

Disc player apparatus

PIONEER ELECTRONIC CORP14 citations73
US6151279ANov 21, 2000

Single motor disc player with a Geneva mechanism

PIONEER ELECTRONIC CORP8 citations71
US5245602ASep 14, 1993

Front loading disk player

PIONEER ELECTRONIC CORP13 citations71
US5226025AJul 6, 1993

Magazine disk player having an improved magazine detecting feature

PIONEER ELECTRONIC CORP8 citations71
US4442467AApr 10, 1984

Drive mechanism for cassette tape recording/reproducing apparatus

PIONEER ELECTRONIC CORP6 citations63
US4200295AApr 29, 1980

Control mechanism for lifting, lowering and swinging record player tonearm

PIONEER ELECTRONIC CORP4 citations63
US6690627B2Feb 10, 2004

System for reproducing a recorded disc

PIONEER ELECTRONIC CORP4 citations62
US6293165B1Sep 25, 2001

Structure for supporting a rotating member on a shaft

PIONEER ELECTRONIC CORP2 citations62
US5734631AMar 31, 1998

Disc player and method of reproducing the same

PIONEER ELECTRONIC CORP6 citations62
US4450549AMay 22, 1984

Compact bookshelf type record player

PIONEER ELECTRONIC CORP4 citations62
US4839764AJun 13, 1989

Disk mechanism in a disk player

PIONEER ELECTRONIC CORP4 citations61
US4754448AJun 28, 1988

Disk player having a clamper aligned with a turntable

PIONEER ELECTRONIC CORP3 citations58
US6233220B1May 15, 2001

Disc cartridge having variable gap

PIONEER ELECTRONIC CORP0 citations52
US4356561AOct 26, 1982

Control apparatus in automatic audio disc player

PIONEER ELECTRONIC CORP1 citations52
US6757223B1Jun 29, 2004

System for carrying and reproducing a disc

PIONEER ELECTRONIC CORP1 citations51
US6118644ASep 12, 2000

Electromagnetic actuator and image pickup apparatus

PIONEER ELECTRONIC CORP1 citations51
US6522615B2Feb 18, 2003

Disk player

PIONEER ELECTRONIC CORP1 citations50
US6195324B1Feb 27, 2001

Disk player

PIONEER ELECTRONIC CORP1 citations50

TOYOTA MOTOR CO LTD

7 patents

PIONEER CORP

3 patents

SIBATA SCIENTIFIC TECH LTD

1 patent