Inventor · disambiguated record
Masaharu Ogawa
Also filed as: OGAWA MASAHARU
83 granted patents·3 pending applications·983 citations·filing 1977–2019
99Inventor score
Files withMITSUBISHI ELECTRIC CORP51FUJI PHOTO FILM CO LTD17FUJIFILM CORP5NAKAHARA HIRONORI4OGAWA MASAHARU3
Top patents by PatentIndex Score
86 records- 0197US8045441B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Oct 25, 2011·22 cites·2 claims
- 0297US8036086B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2005·Granted Oct 11, 2011·22 cites·4 claims
- 0397US7773485B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Aug 10, 2010·24 cites·4 claims
- 0496US8248907B2Optical disc and optical disc deviceNAKAHARA HIRONORI·Filed 2007·Granted Aug 21, 2012·23 cites·2 claims
- 0596US6320642B1Heat development apparatusFUJI PHOTO FILM CO LTD·Filed 1999·Granted Nov 20, 2001·40 cites·25 claims
- 0695US8254240B2Optical disc and optical disc deviceNAKAHARA HIRONORI·Filed 2007·Granted Aug 28, 2012·23 cites·4 claims
- 0795US8213290B2Optical disc and optical disc deviceNAKAHARA HIRONORI·Filed 2007·Granted Jul 3, 2012·23 cites·2 claims
- 0895US6288370B1Heat treatment apparatus and heat development apparatus using the sameFUJI PHOTO FILM CO LTD·Filed 1999·Granted Sep 11, 2001·31 cites·23 claims
- 0993US6309114B1Heat processing apparatus and heat developing apparatus using the sameFUJI PHOTO FILM CO LTD·Filed 1998·Granted Oct 30, 2001·22 cites·44 claims
- 1092US5975772AThermal developing apparatusFUJI PHOTO FILM CO LTD·Filed 1998·Granted Nov 2, 1999·21 cites·29 claims
- 1192US5452275ATwo-stage actuator control deviceMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Sep 19, 1995·57 cites·8 claims
- 1292US4894927AProcess for drying coated webFUJI PHOTO FILM CO LTD·Filed 1987·Granted Jan 23, 1990·46 cites·5 claims
- 1391US8854937B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Oct 7, 2014·6 cites·2 claims
- 1491US8830805B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Sep 9, 2014·6 cites·2 claims
- 1591US8824256B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Sep 2, 2014·6 cites·2 claims
- 1691US8824258B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Sep 2, 2014·6 cites·2 claims
- 1791US8824257B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Sep 2, 2014·6 cites·2 claims
- 1891US8811137B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Aug 19, 2014·6 cites·2 claims
- 1991US8804471B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Aug 12, 2014·6 cites·2 claims
- 2091US8792314B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Jul 29, 2014·6 cites·2 claims
- 2190US9147425B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2014·Granted Sep 29, 2015·5 cites·2 claims
- 2290US8942074B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Jan 27, 2015·5 cites·2 claims
- 2390US8873359B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Oct 28, 2014·5 cites·2 claims
- 2490US8837266B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Sep 16, 2014·5 cites·2 claims
- 2590US8830804B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Sep 9, 2014·5 cites·2 claims
- 2690US8824259B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2013·Granted Sep 2, 2014·5 cites·2 claims
- 2790US5442608ADisk apparatus having a power consumption reducing mechanismMITSUBISHI ELECTRIC CORP·Filed 1994·Granted Aug 15, 1995·54 cites·16 claims
- 2889US5063546AOptic disc with servo pattern and apparatus for accessing the optical discMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Nov 5, 1991·30 cites·12 claims
- 2988US9741387B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2015·Granted Aug 22, 2017·4 cites·8 claims
- 3087US4926567AProcess and apparatus for drying coated webFUJI PHOTO FILM CO LTD·Filed 1986·Granted May 22, 1990·37 cites·7 claims
- 3186US6770901B1Radiation solid-state detectors, and radiation image record-reading method and device using the sameFUJI PHOTO FILM CO LTD·Filed 2000·Granted Aug 3, 2004·41 cites·8 claims
- 3286US5321675APit spacing in the servo field of an optical disk for speed and direction detection and data retrievalMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Jun 14, 1994·32 cites·10 claims
- 3386US5070492ASignal decoding apparatus and methodMITSUBISHI ELECTRIC CORP·Filed 1989·Granted Dec 3, 1991·32 cites·7 claims
- 3485US8630159B2Optical disc and optical disc deviceNAKAHARA HIRONORI·Filed 2012·Granted Jan 14, 2014·6 cites·2 claims
- 3585US4149322ADrying concentration of photographic emulsion coating by microwave irradiationFUJI PHOTO FILM CO LTD·Filed 1977·Granted Apr 17, 1979·18 cites·3 claims
- 3684US10381037B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2018·Granted Aug 13, 2019·2 cites·4 claims
- 3784US10002634B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2017·Granted Jun 19, 2018·2 cites·4 claims
- 3884US8925690B2Disc brake apparatusOGAWA MASAHARU·Filed 2011·Granted Jan 6, 2015·6 cites·6 claims
- 3984US7406409B2System and method for recording and reproducing multimedia based on an audio signalMITSUBISHI ELECTRIC RES LAB·Filed 2004·Granted Jul 29, 2008·21 cites·10 claims
- 4084US4788421AApparatus for controlling relative movement of an optical head to an optical disk with velocity detectionMITSUBISHI ELECTRIC CORP·Filed 1986·Granted Nov 29, 1988·31 cites·14 claims
- 4183US5285431AInformation storage device with head position detection outside a user utilizable region and an optical disk drive device having target velocity-controlled head actuationMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Feb 8, 1994·29 cites·20 claims
- 4282US4835752ADevice for driving and controlling optical head for use in optical disk systemMITSUBISHI ELECTRIC CORP·Filed 1987·Granted May 30, 1989·28 cites·8 claims
- 4381US5077912AProcess for drying coated webFUJI PHOTO FILM CO LTD·Filed 1989·Granted Jan 7, 1992·16 cites·4 claims
- 4480US7667179B2Radiation image detectorFUJIFILM CORP·Filed 2008·Granted Feb 23, 2010·5 cites·7 claims
- 4580US5398221AInformation storage device capable of oepration in a velocity control mode and a tracking control modeMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Mar 14, 1995·25 cites·5 claims
- 4679US7907493B2Optical disc and optical disc deviceMITSUBISHI ELECTRIC CORP·Filed 2007·Granted Mar 15, 2011·1 cites·2 claims
- 4776US5107483AFrequency selective optical data record/regenerate apparatusMITSUBISHI ELECTRIC CORP·Filed 1988·Granted Apr 21, 1992·20 cites·23 claims
- 4873US5128916AOptical disc with alternating servo patterns and driving apparatus thereforMITSUBISHI ELECTRIC CORP·Filed 1990·Granted Jul 7, 1992·16 cites·6 claims
- 4970US6824961B2Heat developing method and heat developing apparatusFUJI PHOTO FILM CO LTD·Filed 2002·Granted Nov 30, 2004·2 cites·4 claims
- 5069US6455867B2Image detector having photoconductive layer, linear electrodes transparent to reading light, and signal-readout electrodes shaded from reading lightFUJI PHOTO FILM CO LTD·Filed 2001·Granted Sep 24, 2002·11 cites·6 claims
Showing the top 50 of 86 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →