Inventor · disambiguated record
Nobuo Ogata
Also filed as: OGATA NOBUO
32 granted patents·12 pending applications·713 citations·filing 1986–2023
97Inventor score
Top patents by PatentIndex Score
44 records- 0198US5085496AOptical element and optical pickup device comprising itSHARP KK·Filed 1990·Granted Feb 4, 1992·242 cites·30 claims
- 0295US5940364AOptical 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
- 0392US7260047B2Optical pickup that uses light sources with different wavelengths for each of multiple recording mediumsSHARP KK·Filed 2003·Granted Aug 21, 2007·28 cites·13 claims
- 0486US5189655AOptical head for optical disk recording/reproducing apparatus including modified wollaston prismSHARP KK·Filed 1990·Granted Feb 23, 1993·41 cites·8 claims
- 0583US6407968B1Optical information recording/reproducing apparatus having focus error signal compensationSHARP KK·Filed 1998·Granted Jun 18, 2002·40 cites·29 claims
- 0681US6614720B1Optical pickup deviceSHARP KK·Filed 2000·Granted Sep 2, 2003·18 cites·6 claims
- 0780US9158151B2Surface light-emitting unit and display device provided with the sameOGATA NOBUO·Filed 2010·Granted Oct 13, 2015·8 cites·18 claims
- 0880US5673247AOptical pickup having two objective lensesSHARP KK·Filed 1996·Granted Sep 30, 1997·34 cites·18 claims
- 0978US5446721AObjective lens drive device with support systemSHARP KK·Filed 1993·Granted Aug 29, 1995·27 cites·2 claims
- 1077US7522508B2Optical pickupSHARP KK·Filed 2007·Granted Apr 21, 2009·2 cites·16 claims
- 1172US7848207B2Optical pickupSHARP KK·Filed 2007·Granted Dec 7, 2010·1 cites·6 claims
- 1272US5050155APick-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
- 1371US7697396B2Optical integrated unit and optical pickup device including sameSHARP KK·Filed 2005·Granted Apr 13, 2010·2 cites·14 claims
- 1469US7239603B1Recording medium with judging area for track area identification based on wobbling polaritySHARP KK·Filed 2000·Granted Jul 3, 2007·7 cites·6 claims
- 1568US7075865B2Optical pickupSHARP KK·Filed 2003·Granted Jul 11, 2006·7 cites·17 claims
- 1667US7821902B2Aberration detection device and optical pickup device provided with sameSHARP KK·Filed 2006·Granted Oct 26, 2010·1 cites·7 claims
- 1767US6930976B2Optical recording medium and optical pickup deviceSHARP KK·Filed 2001·Granted Aug 16, 2005·6 cites·28 claims
- 1867US6392970B1Reproducing 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
- 1967US4812638AFocusing error detector and optical data detecting device incorporating the focusing error detectorSHARP KK·Filed 1987·Granted Mar 14, 1989·16 cites·6 claims
- 2066US5999502AOptical information recording/reproducing apparatus having focus servo control compensation for lands and groovesSHARP KK·Filed 1995·Granted Dec 7, 1999·19 cites·4 claims
- 2164US5696742AOptical disk device for reproducing address information from wobbled grooveSHARP KK·Filed 1996·Granted Dec 9, 1997·17 cites·12 claims
- 2262US5442616ALight source unit and method of adjusting for maximizing focus and tracking errors therebySHARP KK·Filed 1993·Granted Aug 15, 1995·13 cites·5 claims
- 2362US5428595AOptical information recording and reproducing deviceSHARP KK·Filed 1993·Granted Jun 27, 1995·13 cites·4 claims
- 2461US7606134B2Optical pickupSHARP KK·Filed 2007·Granted Oct 20, 2009·0 cites·12 claims
- 2561US7471610B2Optical pickupSHARP KK·Filed 2007·Granted Dec 30, 2008·0 cites·6 claims
- 2658US8297784B2Surface-emission unit and method for producing the sameISHIO TOSHIYA·Filed 2010·Granted Oct 30, 2012·1 cites·10 claims
- 2751US4985880AOptical information recording and reproducing apparatusSHARP KK·Filed 1988·Granted Jan 15, 1991·8 cites·7 claims
- 2851US2009194783A1Light emitting element, production method thereof, backlight unit having the light emitting element, and production method thereofSHARP KK·Filed 2009·Application pending·0 cites
- 2950US5659528AInformation recording-reproduction methodSHARP KK·Filed 1994·Granted Aug 19, 1997·7 cites·12 claims
- 3050US2010297443A1Ultrafine composite fiber, ultrafine fiber, method for manufacturing same, and fiber structureDAIWABO HOLDINGS CO LTD·Filed 2009·Application pending·0 cites
- 3147US2007114555A1Light emitting element, production method thereof, backlight unit having the light emitting element, and production method thereofSHARP KK·Filed 2006·Application pending·0 cites
- 3247US2009010122A1Aberration Detector and Optical Pickup With SameSHARP KK·Filed 2006·Application pending·0 cites
- 3347US2006227677A1Aberration detection device and optical pickup device provided with sameSHARP KK·Filed 2006·Application pending·0 cites
- 3444US2023394058A1Device, server, association information acquiring system, association information acquiring method, and recording mediumSHARP KK·Filed 2023·Application pending·0 cites
- 3544US2006067178A1Optical pickup deviceSHARP KK·Filed 2005·Application pending·0 cites
- 3643US2015377426A1Surface light-emitting unitSHARP KK·Filed 2015·Application pending·0 cites
- 3742US2008101072A1Light emitter, image display, and fabrication method thereofSHARP KK·Filed 2007·Application pending·0 cites
- 3838US4849825APick-up device for use in an optical information recording systemSHARP KK·Filed 1986·Granted Jul 18, 1989·3 cites·3 claims
- 3938US2013040139A1Surface-modified fine fibersNISSAN CHEMICAL IND LTD·Filed 2011·Application pending·0 cites
- 4037US5737297AOptical headSHARP KK·Filed 1997·Granted Apr 7, 1998·4 cites·8 claims
- 4136US6687203B2Optical recording medium, optical recording and reproducing device, and recording and reproducing method for the optical recording mediumSHARP KK·Filed 2001·Granted Feb 3, 2004·0 cites·20 claims
- 4236US2011096265A1Backlight unit and display device including the sameMURAKOSHI KENICHI·Filed 2010·Application pending·0 cites
- 4334US5774428AMethod and apparatus for magneto-optical recording or reproducing using modulated magnetic fieldSHARP KK·Filed 1996·Granted Jun 30, 1998·2 cites·15 claims
- 4432US2012032202A1Planar light source device and display device provided with the planar light source deviceOGATA NOBUO·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →