Inventor · disambiguated record
Tomio Yoshida
Also filed as: SHIMA TAKESABURO · YOSHIDA TOMIO
39 granted patents·1,055 citations·filing 1976–1994
98Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD25SUMITOMO NAUGATUCK6HITACHI LTD4ADVANTEST CORP2FUJITSU LTD1
Top patents by PatentIndex Score
39 records- 0196US4535439AOptical having index mark and sector markMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Aug 13, 1985·54 cites·4 claims
- 0295US5119363AOptical disk having an index markMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Jun 2, 1992·52 cites·25 claims
- 0395US4403318AApparatus and method for recording, reproducing and erasing on optical recording discsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Sep 6, 1983·50 cites·12 claims
- 0494US5216657AMethod and apparatus for timing variable optical information recordingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Jun 1, 1993·87 cites·9 claims
- 0594US4566088AOptical and reversible recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1983·Granted Jan 21, 1986·45 cites·5 claims
- 0694US4545044AMethod and apparatus for optically recording and reproducing informationMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Oct 1, 1985·49 cites·14 claims
- 0794US4509156ASemiconductor laser driving systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Apr 2, 1985·49 cites·4 claims
- 0891US4564931AOptical recording and reproducing headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1983·Granted Jan 14, 1986·34 cites·8 claims
- 0991US4523304AOptical data recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Jun 11, 1985·37 cites·13 claims
- 1090US4546462AOptical data recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Oct 8, 1985·37 cites·11 claims
- 1188US4484319AApparatus for locating a track on disc-like optical information carriersMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Nov 20, 1984·34 cites·2 claims
- 1287US4700336AOptical recording and playback apparatus using plural light spotsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Oct 13, 1987·37 cites·21 claims
- 1387US4426693ALight source intensity control in an optical recording and reproducing apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Jan 17, 1984·31 cites·2 claims
- 1483US4420828AOptical recording and/or reproducing deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Dec 13, 1983·26 cites·1 claims
- 1581US4724533AOptical headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Feb 9, 1988·26 cites·20 claims
- 1679US4368526AServo control system for optical system which focuses a converging light beam on a recording discMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted Jan 11, 1983·22 cites·8 claims
- 1779US4272651AOptical system having diode laser light sourceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1979·Granted Jun 9, 1981·20 cites·3 claims
- 1877US4385303AOptical recording and reproducing discMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted May 24, 1983·19 cites·7 claims
- 1976US4297231AProcess for producing a positive electrode for a non-aqueous electrolytic cellHITACHI LTD·Filed 1979·Granted Oct 27, 1981·30 cites·9 claims
- 2074US5408617AInter-system communication system for communicating between operating systems using virtual machine control programFUJITSU LTD·Filed 1992·Granted Apr 18, 1995·63 cites·12 claims
- 2174US5131273AAngular velocity sensor and a sensor apparatus incorporating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Jul 21, 1992·39 cites·12 claims
- 2270US4689780AOptical recording and reproducing headMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Aug 25, 1987·14 cites·17 claims
- 2369US4759006AAbnormal track skipping detection and control arrangementMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1987·Granted Jul 19, 1988·16 cites·2 claims
- 2468US4679184AOptical recording and reproducing apparatus having erasing beam spot with asymmetrical intensity distributionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1985·Granted Jul 7, 1987·15 cites·10 claims
- 2563US4912519ALaser speckle velocity-measuring apparatusOMRON TATEISI ELECTRONICS CO·Filed 1988·Granted Mar 27, 1990·19 cites·13 claims
- 2662US4523668APower controlling apparatus using friction materialHITACHI LTD·Filed 1982·Granted Jun 18, 1985·14 cites·18 claims
- 2762US4328506AOptical recording deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1980·Granted May 4, 1982·11 cites·3 claims
- 2861US4610732AMethod of inhibiting corrosion of zirconium or its alloyHITACHI LTD·Filed 1985·Granted Sep 9, 1986·18 cites·9 claims
- 2960US5434807AParallel pseudo-random pattern generating method and pseudo-random pattern generator using the sameADVANTEST CORP·Filed 1994·Granted Jul 18, 1995·34 cites·13 claims
- 3055US4841512AOptical disk apparatus with an erase checking functionMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Jun 20, 1989·10 cites·8 claims
- 3153US4610910APrinted circuit board, process for preparing the same and resist ink used thereforHITACHI LTD·Filed 1984·Granted Sep 9, 1986·11 cites·14 claims
- 3249US4433403AOptical disc recording and retrieval systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1981·Granted Feb 21, 1984·6 cites·5 claims
- 3346US4762886AWeather resistant thermoplastic resin compositionSUMITOMO NAUGATUCK·Filed 1987·Granted Aug 9, 1988·9 cites·4 claims
- 3446US4757111AWeather-resistant resin, and its productionSUMITOMO NAUGATUCK·Filed 1985·Granted Jul 12, 1988·7 cites·4 claims
- 3540US4855355AMolding resin compositionSUMITOMO NAUGATUCK·Filed 1988·Granted Aug 8, 1989·7 cites·7 claims
- 3639US5444645AMulti-channel pseudo random pattern generating deviceADVANTEST CORP·Filed 1993·Granted Aug 22, 1995·12 cites·6 claims
- 3736US4112021AProcess for producing thermoplastic resinSUMITOMO NAUGATUCK·Filed 1976·Granted Sep 5, 1978·3 cites·8 claims
- 3835US4880874AResin of polycarbonate and graft copolymer of unsaturated epoxy monomer and ethylene-α-olefin base rubberSUMITOMO NAUGATUCK·Filed 1988·Granted Nov 14, 1989·5 cites·2 claims
- 3935US4205019AProcess for producing thermoplastic resinSUMITOMO NAUGATUCK·Filed 1977·Granted May 27, 1980·3 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →