Inventor · disambiguated record
Goro Fujita
Also filed as: FUJITA GORO
91 granted patents·37 pending applications·762 citations·filing 1989–2023
99Inventor score
Top patents by PatentIndex Score
128 records- 0195US6128272ARecording mediumSONY CORP·Filed 1999·Granted Oct 3, 2000·84 cites·57 claims
- 0294US6310851B1Frequency demodulating circuit, optical disk apparatus thereof and preformating deviceSONY CORP·Filed 2000·Granted Oct 30, 2001·55 cites·13 claims
- 0394US5182742ARecording and/or reproducing apparatus with a disc cartridge temperature sensorSONY CORP·Filed 1991·Granted Jan 26, 1993·95 cites·15 claims
- 0492US6526007B1Recording medium driving device for rotationally driving a disk-shaped recording medium having tilt detection means and tilt detection methodSONY CORP·Filed 2000·Granted Feb 25, 2003·35 cites·48 claims
- 0592US6215758B1Recording mediumSONY CORP·Filed 1997·Granted Apr 10, 2001·62 cites·61 claims
- 0689US7948853B2Optical disc device and optical information recording methodSONY CORP·Filed 2008·Granted May 24, 2011·9 cites·9 claims
- 0789US7944794B2Optical disc apparatus, information recording method, and information reproduction methodSONY CORP·Filed 2008·Granted May 17, 2011·9 cites·23 claims
- 0887US7936657B2Apparatus for initializing and method of manufacturing optical disc, and initialization reference plateSONY CORP·Filed 2009·Granted May 3, 2011·7 cites·18 claims
- 0987US6385257B1Frequency demodulating circuit, optical disk apparatus thereof and preformating deviceSONY CORP·Filed 1998·Granted May 7, 2002·44 cites·8 claims
- 1087US6198711B1Equalizer for optical reproducing apparatus, using partial response methodSONY CORP·Filed 1997·Granted Mar 6, 2001·57 cites·20 claims
- 1181US5469415AOptical information recording or reproducing apparatus with asymmetry compensationSONY CORP·Filed 1993·Granted Nov 21, 1995·30 cites·8 claims
- 1280US7038998B2Optical recording disk having land and groove wobbled at outer circumference sideSONY CORP·Filed 2002·Granted May 2, 2006·13 cites·4 claims
- 1379US8077582B2Optical pickup, optical information recording method, and optical disc apparatusSAITO KIMIHIRO·Filed 2009·Granted Dec 13, 2011·6 cites·20 claims
- 1478US8416671B2Recording apparatusFUJITA GORO·Filed 2011·Granted Apr 9, 2013·4 cites·4 claims
- 1578US6845074B1Information readout apparatus and information readout methodSONY CORP·Filed 2000·Granted Jan 18, 2005·12 cites·12 claims
- 1677US11506789B2Imaging device and endoscopeSONY CORP·Filed 2017·Granted Nov 22, 2022·2 cites·20 claims
- 1777US9551664B2Laser scanning microscope systemSONY CORP·Filed 2014·Granted Jan 24, 2017·2 cites·9 claims
- 1877US9496685B2Laser emitting apparatus and master oscillator power amplifier systemSONY CORP·Filed 2013·Granted Nov 15, 2016·3 cites·20 claims
- 1976US5684783AReproducing apparatus having a detector for simultaneously scanning adjacent tracks of an optical recording mediumSONY CORP·Filed 1994·Granted Nov 4, 1997·18 cites·2 claims
- 2074US7803444B2Optical disk and method or producing optical diskSONY CORP·Filed 2007·Granted Sep 28, 2010·2 cites·5 claims
- 2174US7723948B2Power source system utilizing time detection means to provide optimum charge to secondary battery from fuel cellSANYO ELECTRIC CO·Filed 2007·Granted May 25, 2010·3 cites·7 claims
- 2273US5978350AOptical disc and optical disc driving deviceSONY CORP·Filed 1995·Granted Nov 2, 1999·19 cites·24 claims
- 2372US11474334B2Observation device and observation methodSONY CORP·Filed 2019·Granted Oct 18, 2022·2 cites·18 claims
- 2472US8537647B2Recording apparatusFUJITA GORO·Filed 2011·Granted Sep 17, 2013·2 cites·4 claims
- 2572US5513161AOptical recording medium, recording and reproducing method and tracking error generating methodSONY CORP·Filed 1995·Granted Apr 30, 1996·17 cites·1 claims
- 2671US11050931B2Control device and control methodSONY CORP·Filed 2018·Granted Jun 29, 2021·1 cites·12 claims
- 2771US8107331B2Optical disk apparatus, position control method, and optical pickupMIYAMOTO HIROTAKA·Filed 2008·Granted Jan 31, 2012·2 cites·10 claims
- 2869US8462599B2Optical oscillation device and recording apparatusFUJITA GORO·Filed 2012·Granted Jun 11, 2013·2 cites·4 claims
- 2969US7892697B2Liquid tank and fuel cell system with fuel monitoringSANYO ELECTRIC CO·Filed 2006·Granted Feb 22, 2011·1 cites·18 claims
- 3069US7869330B2Optical disc apparatus and method for reproducing informationSONY CORP·Filed 2008·Granted Jan 11, 2011·1 cites·10 claims
- 3169US6731589B2Substrate for optical recording media, optical recording medium, manufacturing process for optical recording media, and optical recording/reproducing methodSONY CORP·Filed 2000·Granted May 4, 2004·7 cites·24 claims
- 3269US6678223B2Frequency demodulating circuit, optical disk apparatus thereof and preformating deviceSONY CORP·Filed 2002·Granted Jan 13, 2004·6 cites·3 claims
- 3368US8467283B2Short-pulse light source, laser light emitting method, optical device, optical disk device, and light pickupFUJITA GORO·Filed 2009·Granted Jun 18, 2013·2 cites·14 claims
- 3468US7580335B2Recording apparatus and method, and disk producing methodSONY CORP·Filed 2006·Granted Aug 25, 2009·1 cites·8 claims
- 3567US8795919B2Fuel cell layerFUJITA GORO·Filed 2011·Granted Aug 5, 2014·1 cites·12 claims
- 3667US5469420AMulti-value recorded data detecting methodSONY CORP·Filed 1994·Granted Nov 21, 1995·16 cites·5 claims
- 3767US2025202061A1Power storage devicePANASONIC IP MAN CO LTD·Filed 2023·Application pending·0 cites
- 3866US7924672B2Optical-disk recording medium, playing apparatus and method for same, and recording apparatus and method for sameSONY CORP·Filed 2006·Granted Apr 12, 2011·1 cites·4 claims
- 3966US5559786AInformation recording on a track by logical operation of the information on a neighboring trackSONY CORP·Filed 1994·Granted Sep 24, 1996·10 cites·4 claims
- 4065US11742548B2Electrical storage device and electrical storage modulePANASONIC CORP·Filed 2021·Granted Aug 29, 2023·0 cites·10 claims
- 4165US7867665B2Fuel cell stackSANYO ELECTRIC CO·Filed 2007·Granted Jan 11, 2011·1 cites·1 claims
- 4264US6459669B1Information reproducing apparatus and information reproducing methodSONY CORP·Filed 1999·Granted Oct 1, 2002·17 cites·26 claims
- 4363US12261313B2Buffer member and power storage modulePANASONIC IP MAN CO LTD·Filed 2020·Granted Mar 25, 2025·0 cites·13 claims
- 4463US8406261B2Laser driving device and laser driving methodFUJITA GORO·Filed 2010·Granted Mar 26, 2013·1 cites·4 claims
- 4563US8102742B2Optical information recording medium, optical information recordng apparatus, and optical information recording methodFUJITA GORO·Filed 2009·Granted Jan 24, 2012·0 cites·7 claims
- 4663US6590844B2Disc-shaped recording medium, disc recording and/or reproducing method and apparatus and tilt detection methodSONY CORP·Filed 2001·Granted Jul 8, 2003·7 cites·25 claims
- 4762US6282162B1Optical disc and optical disc driving deviceSONY CORP·Filed 1998·Granted Aug 28, 2001·12 cites·1 claims
- 4862US5182734AMagneto-optical recording apparatus with pulse driven light beam and variable delay of magnetic field reversals based on recording medium characteristicsSONY CORP·Filed 1989·Granted Jan 26, 1993·12 cites·9 claims
- 4961US7586833B2Magneto-optical recording mediumSONY CORP·Filed 2007·Granted Sep 8, 2009·0 cites·3 claims
- 5061US2008199602A1Method for manufacturing magneto-optical recording mediumSONY CORP·Filed 2008·Application pending·0 cites
Showing the top 50 of 128 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Goro Fujita files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →