P

Inventor

YOSHIDA TADAO

JP78 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIDA TADAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SONY CORP

45 patents
US5363362ANov 8, 1994

Apparatus for reproducing recorded data comprising interleaved clusters and cluster linking sectors

SONY CORP125 citations98
US5243588ASep 7, 1993

Method and apparatus for reading digital data bursts comprising data clusters and cluster linking sectors

SONY CORP117 citations98
US6205104B1Mar 20, 2001

Recording/reproducing apparatus for compressed data

SONY CORP73 citations96
US5537387AJul 16, 1996

Information storage disk with display data recorded in a lead-in region and an apparatus for recording and/reproducing the disc

SONY CORP66 citations96
US5521900AMay 28, 1996

Disk having a lead-in region containing display data and an apparatus for recording and/or reproducing the disc

SONY CORP68 citations96
US5446480AAug 29, 1995

Input device for entering data for electronic equipments and so forth

SONY CORP62 citations96
US5388093AFeb 7, 1995

Disc recording and/or reproducing apparatus for recording continuous compressed data in plural data regions and disc therefor

SONY CORP102 citations96
US5148417ASep 15, 1992

Tracking jump compensator for optical disc reproducing apparatus

SONY CORP74 citations96
US5003521AMar 26, 1991

Optical disk discriminating device

SONY CORP73 citations96
US4975898ADec 4, 1990

Method and apparatus for preventing copying of an optical disk

SONY CORP108 citations96
US4089049AMay 9, 1978

Inverter circuit including transformer with shielding of undesired radiations

SONY CORP80 citations96
US5859834AJan 12, 1999

Optical disc with magnetic member in a recessed portion thereof and method for producing said optical disc

SONY CORP32 citations93
US5552896ASep 3, 1996

Disk recording/reproducing apparatus and disks applied therein

SONY CORP41 citations93
US5058096AOct 15, 1991

Disk recording/reproducing apparatus and disk recording/reproducing method

SONY CORP47 citations93
US5012461AApr 30, 1991

Disk recording apparatus for re-establishing a recording mode at a desired address

SONY CORP27 citations93
US4932016AJun 5, 1990

Apparatus and method of recording and reproducing data using a disk

SONY CORP26 citations93
US4862439AAug 29, 1989

Recording device that identifies recordable areas of a disk record

SONY CORP46 citations93
US4685098AAug 4, 1987

Apparatus for reproducing data signal

SONY CORP38 citations93
US4363001ADec 7, 1982

Digital gain control apparatus

SONY CORP30 citations93
US4173739ANov 6, 1979

Overload detecting circuit for a PWM amplifier

SONY CORP38 citations93
US4115740ASep 19, 1978

Push-pull pulse amplifier having improved turn-on and turn-off times

SONY CORP31 citations93
US6794996B2Sep 21, 2004

Content supply system and information processing method

SONY CORP20 citations92
US5963521AOct 5, 1999

Recording and/or reproducing method and apparatus with dubbing mode

SONY CORP20 citations92
US5844882ADec 1, 1998

Recording medium, address recording method and apparatus, and recording/reproducing method and apparatus for reducing crosstalk of addressing signals

SONY CORP38 citations92
US5689704ANov 18, 1997

Recording medium, recording/playback device which uses commands in character string form for audio system control

SONY CORP37 citations92
US5317553AMay 31, 1994

Optical disc recording and/or reproducing apparatus having a buffer memory to accommodate track jumps

SONY CORP52 citations92
US5244705ASep 14, 1993

Disc-shaped recording medium

SONY CORP50 citations92
US5222099AJun 22, 1993

Spread spectrum signal receiving apparatus

SONY CORP33 citations92
US5214631AMay 25, 1993

Disc recording/reproducing apparatus having a servo system capable of successively recording and reproducing tracks on a disc irrespective of turbulence of the servo system due to a disturbance

SONY CORP34 citations92
US4924455AMay 8, 1990

Apparatus for generating tracking error signals in a differential phase detection system

SONY CORP32 citations92
US7295994B2Nov 13, 2007

Information distribution system, terminal apparatus, information center, recording medium, and information distribution method

SONY CORP31 citations89
US7140037B2Nov 21, 2006

Signal reproducing apparatus and method, signal recording apparatus and method, signal receiver, and information processing method

SONY CORP15 citations84
US6144707ANov 7, 2000

Apparatus for receiving broadcasting signals

SONY CORP16 citations84
USRE36218EJun 1, 1999

Disc recording/reproducing apparatus having a servo system capable of successively recording and reproducing tracks on a disc irrespective of turbulence of the servo system due to a disturbance

SONY CORP17 citations84
US4249136AFeb 3, 1981

PWM Signal power amplifier

SONY CORP24 citations82
US4181895AJan 1, 1980

Amplifier with muting circuit

SONY CORP21 citations82
US5666347ASep 9, 1997

Optical disk and disk chucking mechanism

SONY CORP9 citations74
US5506023AApr 9, 1996

Magneto-optical disc

SONY CORP8 citations74
US4858217AAug 15, 1989

Optical disk recording and reproducing device

SONY CORP11 citations74
US4616354AOct 7, 1986

Tracking control arrangements for use in optical disc players

SONY CORP15 citations74
US4500982AFeb 19, 1985

Servo circuit for a motor for reproducing a PCM audio disk

SONY CORP9 citations74
US4313065AJan 26, 1982

Switching circuit with MOS field effect transistor

SONY CORP18 citations74
US4266149AMay 5, 1981

Pulse signal amplifier

SONY CORP10 citations74
US4205273AMay 27, 1980

Pulse signal amplifier

SONY CORP7 citations74
US4128813ADec 5, 1978

Amplifier

SONY CORP7 citations74

DAICEL CHEM

1 patent

NIPPON KOKI KK

1 patent

TOA GOSEI CHEM IND

1 patent

TOAGOSEI COMPANY LTD

1 patent

OTSUKA KAGAKU KK

1 patent

Showing the top 50 of 78 patents by PatentIndex Score.