Inventor · disambiguated record
Yasuo Nakata
Also filed as: NAKATA YASUO
42 granted patents·8 pending applications·1,188 citations·filing 1984–2020
98Inventor score
Top patents by PatentIndex Score
50 records- 0198US5085496AOptical element and optical pickup device comprising itSHARP KK·Filed 1990·Granted Feb 4, 1992·242 cites·30 claims
- 0295US6502896B1BackhoeKUBOTA KK·Filed 2000·Granted Jan 7, 2003·65 cites·18 claims
- 0395US5940364AOptical disk including wobbled guiding groove composed of pits, optical disk manufacturing apparatus, and optical disk recording/reproducing apparatusSHARP KK·Filed 1997·Granted Aug 17, 1999·112 cites·58 claims
- 0494US8821104B2Loader work machineYASUDA TOYOAKI·Filed 2009·Granted Sep 2, 2014·39 cites·17 claims
- 0591USD440235SBackhoeKUBOTA KK·Filed 1999·Granted Apr 10, 2001·39 cites·1 claims
- 0689US5128914AOptical pickup apparatus utilizing a diffraction deviceSHARP KK·Filed 1990·Granted Jul 7, 1992·49 cites·10 claims
- 0788US5465315ADisplay apparatus having a plurality of display devicesSHARP KK·Filed 1992·Granted Nov 7, 1995·76 cites·15 claims
- 0887US8342789B2Loader work machineKUBOTA KK·Filed 2009·Granted Jan 1, 2013·16 cites·16 claims
- 0987US6615942B2Swivel type working vehicleKUBOTA KK·Filed 2000·Granted Sep 9, 2003·47 cites·21 claims
- 1084USD473571SBackhoeKUBOTA KK·Filed 2002·Granted Apr 22, 2003·29 cites·1 claims
- 1183US8545163B2Loader work machineYASUDA TOYOAKI·Filed 2009·Granted Oct 1, 2013·14 cites·10 claims
- 1283US6407968B1Optical information recording/reproducing apparatus having focus error signal compensationSHARP KK·Filed 1998·Granted Jun 18, 2002·40 cites·29 claims
- 1383US5490574AHood having intake openings for drawing air for a radiator and an engineKUBOTA KK·Filed 1994·Granted Feb 13, 1996·45 cites·8 claims
- 1482US10581386B2Protective devicePANASONIC IP MAN CO LTD·Filed 2016·Granted Mar 3, 2020·4 cites·20 claims
- 1581US6934227B2Optical disk device, semiconductor integrated circuit, pickup control method and vibration component detection methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Granted Aug 23, 2005·16 cites·14 claims
- 1681US6614720B1Optical pickup deviceSHARP KK·Filed 2000·Granted Sep 2, 2003·18 cites·6 claims
- 1780US5673247AOptical pickup having two objective lensesSHARP KK·Filed 1996·Granted Sep 30, 1997·34 cites·18 claims
- 1878US5446721AObjective lens drive device with support systemSHARP KK·Filed 1993·Granted Aug 29, 1995·27 cites·2 claims
- 1978US5049732AOptical pickup device with diffraction deviceSHARP KK·Filed 1989·Granted Sep 17, 1991·20 cites·9 claims
- 2078US4669565AAgricultural tractor with a driver's cabinKUBOTA LTD·Filed 1984·Granted Jun 2, 1987·29 cites·1 claims
- 2175US7990834B2Optical pickup device recording and/or reproducing information on and/or from a plurality of kinds of recording mediaSHARP KK·Filed 2006·Granted Aug 2, 2011·3 cites·6 claims
- 2273US5253237AOptical head deviceSHARP KK·Filed 1990·Granted Oct 12, 1993·23 cites·55 claims
- 2372US5050155APick-up device for use in an optical information recording system utilizing a diffraction grating with blaze characteristicsSHARP KK·Filed 1989·Granted Sep 17, 1991·15 cites·12 claims
- 2467US6392970B1Reproducing light quantity control method for optical memory device, and reproducing light quantity control device, and optical recording mediumSHARP KK·Filed 1998·Granted May 21, 2002·19 cites·12 claims
- 2567US4812638AFocusing error detector and optical data detecting device incorporating the focusing error detectorSHARP KK·Filed 1987·Granted Mar 14, 1989·16 cites·6 claims
- 2666US5999502AOptical information recording/reproducing apparatus having focus servo control compensation for lands and groovesSHARP KK·Filed 1995·Granted Dec 7, 1999·19 cites·4 claims
- 2766US5251280ALiquid crystal display apparatusSHARP KK·Filed 1991·Granted Oct 5, 1993·28 cites·8 claims
- 2864US5696742AOptical disk device for reproducing address information from wobbled grooveSHARP KK·Filed 1996·Granted Dec 9, 1997·17 cites·12 claims
- 2959US5952017APressure roll, and molding apparatus using the pressure rollTAISEI KAKO CO·Filed 1995·Granted Sep 14, 1999·17 cites·17 claims
- 3055US6119343AProcess for manufacturing a pressure rollTAISEI KAKO CO·Filed 1999·Granted Sep 19, 2000·8 cites·10 claims
- 3154USRE35332EOptical pickup device with diffraction deviceSHARP KK·Filed 1993·Granted Sep 24, 1996·8 cites·10 claims
- 3254US2023069108A1Assemblies of fibers and inorganic particlesJUJO PAPER CO LTD·Filed 2020·Application pending·0 cites
- 3351US7952966B2Tracking apparatus for optical information reproduction apparatusPANASONIC CORP·Filed 2007·Granted May 31, 2011·0 cites·6 claims
- 3451US7397752B2Pickup for magneto-optical recording mediumSHARP KK·Filed 2004·Granted Jul 8, 2008·1 cites·13 claims
- 3551US6388977B1Hologram laser unit and optical pickup device including the sameSHARP KK·Filed 1999·Granted May 14, 2002·9 cites·7 claims
- 3651US4985880AOptical information recording and reproducing apparatusSHARP KK·Filed 1988·Granted Jan 15, 1991·8 cites·7 claims
- 3750US5659528AInformation recording-reproduction methodSHARP KK·Filed 1994·Granted Aug 19, 1997·7 cites·12 claims
- 3850US4609065AWheel drive structure for agricultural tractorKUBOTA LTD·Filed 1985·Granted Sep 2, 1986·12 cites·9 claims
- 3948US2009116348A1Off-track detection circuitNAKATA YASUO·Filed 2006·Application pending·0 cites
- 4046US5257131APolarization diffraction element and polarization detector employing the sameSHARP KK·Filed 1991·Granted Oct 26, 1993·12 cites·7 claims
- 4145US2003212748A1Mail-incoming rejection system, mail-incoming rejection method, and mail-incoming rejection programFiled 2003·Application pending·0 cites
- 4244US2008117789A1Optical pickup deviceSHARP KK·Filed 2007·Application pending·0 cites
- 4343US7623419B2Method and apparatus for measuring off-track detection sensitivityPANASONIC CORP·Filed 2004·Granted Nov 24, 2009·0 cites·2 claims
- 4442US2004228257A1Optical pickupFiled 2004·Application pending·0 cites
- 4539US7894312B2Automatic gain control circuit and signal reproducing devicePANASONIC CORP·Filed 2006·Granted Feb 22, 2011·0 cites·12 claims
- 4638US4849825APick-up device for use in an optical information recording systemSHARP KK·Filed 1986·Granted Jul 18, 1989·3 cites·3 claims
- 4738US2003012096A1Disk drive deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2002·Application pending·0 cites
- 4836US2006077802A1Optical disk deviceKOSHIDA HIROSHI·Filed 2005·Application pending·0 cites
- 4931US2007156945A1Signal processing circuitNAKATA YASUO·Filed 2004·Application pending·0 cites
- 5030US5473470APolarization detectorSHARP KK·Filed 1993·Granted Dec 5, 1995·2 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →