Inventor · disambiguated record
Tadao Yoshida
Also filed as: YOSHIDA TADAO
78 granted patents·2 pending applications·2,227 citations·filing 1975–2011
99Inventor score
Top patents by PatentIndex Score
80 records- 0198US4975898AMethod and apparatus for preventing copying of an optical diskSONY CORP·Filed 1987·Granted Dec 4, 1990·108 cites·8 claims
- 0297US5388093ADisc recording and/or reproducing apparatus for recording continuous compressed data in plural data regions and disc thereforSONY CORP·Filed 1992·Granted Feb 7, 1995·102 cites·8 claims
- 0397US5363362AApparatus for reproducing recorded data comprising interleaved clusters and cluster linking sectorsSONY CORP·Filed 1993·Granted Nov 8, 1994·125 cites·3 claims
- 0497US5243588AMethod and apparatus for reading digital data bursts comprising data clusters and cluster linking sectorsSONY CORP·Filed 1991·Granted Sep 7, 1993·117 cites·9 claims
- 0597US4089049AInverter circuit including transformer with shielding of undesired radiationsSONY CORP·Filed 1976·Granted May 9, 1978·80 cites·1 claims
- 0696US5003521AOptical disk discriminating deviceSONY CORP·Filed 1987·Granted Mar 26, 1991·73 cites·8 claims
- 0795US5521900ADisk having a lead-in region containing display data and an apparatus for recording and/or reproducing the discSONY CORP·Filed 1993·Granted May 28, 1996·68 cites·10 claims
- 0894US6205104B1Recording/reproducing apparatus for compressed dataSONY CORP·Filed 1993·Granted Mar 20, 2001·73 cites·66 claims
- 0994US4173739AOverload detecting circuit for a PWM amplifierSONY CORP·Filed 1978·Granted Nov 6, 1979·38 cites·8 claims
- 1093US5148417ATracking jump compensator for optical disc reproducing apparatusSONY CORP·Filed 1990·Granted Sep 15, 1992·74 cites·5 claims
- 1192US5537387AInformation storage disk with display data recorded in a lead-in region and an apparatus for recording and/reproducing the discSONY CORP·Filed 1995·Granted Jul 16, 1996·66 cites·13 claims
- 1292US5058096ADisk recording/reproducing apparatus and disk recording/reproducing methodSONY CORP·Filed 1988·Granted Oct 15, 1991·47 cites·9 claims
- 1392US4862439ARecording device that identifies recordable areas of a disk recordSONY CORP·Filed 1988·Granted Aug 29, 1989·46 cites·15 claims
- 1492US4115740APush-pull pulse amplifier having improved turn-on and turn-off timesSONY CORP·Filed 1977·Granted Sep 19, 1978·31 cites·9 claims
- 1591US4685098AApparatus for reproducing data signalSONY CORP·Filed 1984·Granted Aug 4, 1987·38 cites·10 claims
- 1690US5244705ADisc-shaped recording mediumSONY CORP·Filed 1991·Granted Sep 14, 1993·50 cites·10 claims
- 1789US5317553AOptical disc recording and/or reproducing apparatus having a buffer memory to accommodate track jumpsSONY CORP·Filed 1991·Granted May 31, 1994·52 cites·7 claims
- 1889US4249136APWM Signal power amplifierSONY CORP·Filed 1979·Granted Feb 3, 1981·24 cites·6 claims
- 1988US4924455AApparatus for generating tracking error signals in a differential phase detection systemSONY CORP·Filed 1984·Granted May 8, 1990·32 cites·18 claims
- 2087US5552896ADisk recording/reproducing apparatus and disks applied thereinSONY CORP·Filed 1993·Granted Sep 3, 1996·41 cites·8 claims
- 2185US6794996B2Content supply system and information processing methodSONY CORP·Filed 2002·Granted Sep 21, 2004·20 cites·24 claims
- 2285US4363001ADigital gain control apparatusSONY CORP·Filed 1980·Granted Dec 7, 1982·30 cites·7 claims
- 2384US5898126AAir bag gas generating compositionDAICEL CHEM·Filed 1997·Granted Apr 27, 1999·42 cites·10 claims
- 2483US5214631ADisc 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 disturbanceSONY CORP·Filed 1991·Granted May 25, 1993·34 cites·17 claims
- 2583US4021748AAmplifier with field effect transistors having triode-type dynamic characteristicsSONY CORP·Filed 1975·Granted May 3, 1977·19 cites·13 claims
- 2682US7140037B2Signal reproducing apparatus and method, signal recording apparatus and method, signal receiver, and information processing methodSONY CORP·Filed 2002·Granted Nov 21, 2006·15 cites·20 claims
- 2782US5859834AOptical disc with magnetic member in a recessed portion thereof and method for producing said optical discSONY CORP·Filed 1994·Granted Jan 12, 1999·32 cites·11 claims
- 2882US5844882ARecording medium, address recording method and apparatus, and recording/reproducing method and apparatus for reducing crosstalk of addressing signalsSONY CORP·Filed 1997·Granted Dec 1, 1998·38 cites·27 claims
- 2982US5012461ADisk recording apparatus for re-establishing a recording mode at a desired addressSONY CORP·Filed 1988·Granted Apr 30, 1991·27 cites·4 claims
- 3082US4932016AApparatus and method of recording and reproducing data using a diskSONY CORP·Filed 1987·Granted Jun 5, 1990·26 cites·8 claims
- 3181US7295994B2Information distribution system, terminal apparatus, information center, recording medium, and information distribution methodSONY CORP·Filed 2001·Granted Nov 13, 2007·31 cites·3 claims
- 3281US6380378B1Nucleotide compound, nucleotide block oligonucleotide, and method for producing themTOAGOSEI COMPANY LTD·Filed 1999·Granted Apr 30, 2002·97 cites·21 claims
- 3381US5689704ARecording medium, recording/playback device which uses commands in character string form for audio system controlSONY CORP·Filed 1995·Granted Nov 18, 1997·37 cites·3 claims
- 3481US4313065ASwitching circuit with MOS field effect transistorSONY CORP·Filed 1979·Granted Jan 26, 1982·18 cites·8 claims
- 3579US5827996AAir bag gas generating compositionOTSUKA KAGAKU KK·Filed 1996·Granted Oct 27, 1998·36 cites·8 claims
- 3678US4808708APhosphorsulfide derivatives of deoxynucleosides or deoxynucleotides and their usesTOA GOSEI CHEM IND·Filed 1986·Granted Feb 28, 1989·24 cites·13 claims
- 3778US4021745APulse width modulated signal amplifierSONY CORP·Filed 1975·Granted May 3, 1977·16 cites·6 claims
- 3873US5446480AInput device for entering data for electronic equipments and so forthSONY CORP·Filed 1992·Granted Aug 29, 1995·62 cites·6 claims
- 3972US5883330AAzodicarbonamide containing gas generating compositionNIPPON KOKI KK·Filed 1995·Granted Mar 16, 1999·23 cites·6 claims
- 4072US4031481ATransistor amplifierSONY CORP·Filed 1975·Granted Jun 21, 1977·13 cites·6 claims
- 4170US4616354ATracking control arrangements for use in optical disc playersSONY CORP·Filed 1984·Granted Oct 7, 1986·15 cites·4 claims
- 4270US4181895AAmplifier with muting circuitSONY CORP·Filed 1978·Granted Jan 1, 1980·21 cites·6 claims
- 4370US3974455ATransistor amplifierSONY CORP·Filed 1975·Granted Aug 10, 1976·13 cites·29 claims
- 4468US5963521ARecording and/or reproducing method and apparatus with dubbing modeSONY CORP·Filed 1998·Granted Oct 5, 1999·20 cites·20 claims
- 4568USRE36218EDisc 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 disturbanceSONY CORP·Filed 1994·Granted Jun 1, 1999·17 cites·17 claims
- 4665US4266149APulse signal amplifierSONY CORP·Filed 1979·Granted May 5, 1981·10 cites·10 claims
- 4764US7908619B2Broadcasting system and reception apparatusSONY CORP·Filed 2000·Granted Mar 15, 2011·5 cites·11 claims
- 4864US7299499B2Data transfer system, data transfer apparatus, data recording apparatus, data transfer method, and recording mediumSONY CORP·Filed 2001·Granted Nov 20, 2007·5 cites·25 claims
- 4964US4047089AStarting circuit for inverterSONY CORP·Filed 1976·Granted Sep 6, 1977·13 cites·9 claims
- 5062US2005033661A1Information distribution system, terminal apparatus, information center, recording medium, and information distribution methodSONY CORP·Filed 2004·Application pending·0 cites
Showing the top 50 of 80 patent records by PatentIndex Score.
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