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 patentsUS5363362ANov 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 patentNIPPON KOKI KK
1 patentTOA GOSEI CHEM IND
1 patentTOAGOSEI COMPANY LTD
1 patentOTSUKA KAGAKU KK
1 patentShowing the top 50 of 78 patents by PatentIndex Score.