Inventor · disambiguated record
Mitsuhiko Ogihara
Also filed as: OGIHARA MITSUHIKO
96 granted patents·14 pending applications·1,079 citations·filing 1994–2024
99Inventor score
Top patents by PatentIndex Score
110 records- 0197US11152216B2Method for manufacturing semiconductor deviceFILNEX INC·Filed 2020·Granted Oct 19, 2021·4 cites·20 claims
- 0296US8035115B2Semiconductor apparatus, print head, and image forming apparatusOKI DATA KK·Filed 2006·Granted Oct 11, 2011·60 cites·13 claims
- 0394US8409366B2Separation method of nitride semiconductor layer, semiconductor device, manufacturing method thereof, semiconductor wafer, and manufacturing method thereofOGIHARA MITSUHIKO·Filed 2010·Granted Apr 2, 2013·20 cites·14 claims
- 0492US7847298B2Semiconductor composite apparatus, LED, LED printhead, and image forming apparatusOKI DATA KK·Filed 2006·Granted Dec 7, 2010·13 cites·21 claims
- 0591US6913985B2Method of manufacturing a semiconductor deviceOKI DATA KK·Filed 2004·Granted Jul 5, 2005·58 cites·35 claims
- 0687US8174028B2Semiconductor composite apparatus, LED, LED printhead, and image forming apparatusOGIHARA MITSUHIKO·Filed 2010·Granted May 8, 2012·4 cites·12 claims
- 0787US7239337B2Combined semiconductor apparatus with thin semiconductor filmsOKI DATA KK·Filed 2003·Granted Jul 3, 2007·23 cites·58 claims
- 0887US5700714ADiffusion mask and fabrication method for forming pn-junction elements in a compound semiconductor substrateOKI ELECTRIC IND CO LTD·Filed 1996·Granted Dec 23, 1997·86 cites·20 claims
- 0986US7180099B2Semiconductor apparatus with thin semiconductor filmOKI DATA KK·Filed 2003·Granted Feb 20, 2007·27 cites·1 claims
- 1086US6790695B2Semiconductor device and method of manufacturing the sameOKI DATA KK·Filed 2003·Granted Sep 14, 2004·27 cites·19 claims
- 1183US8664086B2Semiconductor wafer, semiconductor thin film, and method for manufacturing semiconductor thin film devicesOGIHARA MITSUHIKO·Filed 2010·Granted Mar 4, 2014·6 cites·9 claims
- 1283US7871834B2Combined semiconductor apparatus with thin semiconductor filmsOKI DATA KK·Filed 2009·Granted Jan 18, 2011·5 cites·1 claims
- 1382US6163036ALight emitting element module with a parallelogram-shaped chip and a staggered chip arrayOKI DATA KK·Filed 1999·Granted Dec 19, 2000·68 cites·28 claims
- 1482US5523590ALED array with insulating filmsOKI ELECTRIC IND CO LTD·Filed 1994·Granted Jun 4, 1996·41 cites·12 claims
- 1581US6583446B1Array of light-emitting elements and emission-altering elementsOKI DATA KK·Filed 2000·Granted Jun 24, 2003·36 cites·27 claims
- 1680US7947576B2Method of manufacturing by etching a semiconductor substrate horizontally without creating a vertical faceOKI DATA KK·Filed 2009·Granted May 24, 2011·8 cites·21 claims
- 1779US12068166B2Semiconductor substrateFILNEX INC·Filed 2023·Granted Aug 20, 2024·0 cites·16 claims
- 1878US7901088B2Projection display apparatus and image forming apparatus with efficient power consumptionOKI DATA KK·Filed 2007·Granted Mar 8, 2011·5 cites·16 claims
- 1978US7642560B2Composite semiconductor light-emitting deviceOKI DATA KK·Filed 2006·Granted Jan 5, 2010·8 cites·27 claims
- 2078US5955748AEnd face light emitting type light emitting diodeOKI ELECTRIC IND CO LTD·Filed 1997·Granted Sep 21, 1999·54 cites·10 claims
- 2177US5955747AHigh-density light-emitting-diode array utilizing a plurality of isolation channelsOKI ELECTRIC IND CO LTD·Filed 1997·Granted Sep 21, 1999·53 cites·19 claims
- 2276US12183636B2Semiconductor substrate, method for manufacturing semiconductor substrate and method for manufacturing semiconductor deviceFILNEX INC·Filed 2023·Granted Dec 31, 2024·0 cites·10 claims
- 2375US6621105B2Array of light-emitting elements with multilayer wiringOKI DATA KK·Filed 2002·Granted Sep 16, 2003·25 cites·15 claims
- 2474US7928546B2Semiconductor device and manufacturing method thereofOKI ELECTRIC IND CO LTD·Filed 2007·Granted Apr 19, 2011·6 cites·5 claims
- 2573US11670514B2Method for manufacturing semiconductor device and semiconductor substrateFILNEX INC·Filed 2021·Granted Jun 6, 2023·0 cites·6 claims
- 2673US8343848B2Semiconductor device, LED print head and image-forming apparatus using same, and method of manufacturing semiconductor deviceOKI DATA KK·Filed 2008·Granted Jan 1, 2013·3 cites·8 claims
- 2773US7541620B2Semiconductor device, light emitting diode print head, and image forming apparatusOKI DATA KK·Filed 2007·Granted Jun 2, 2009·5 cites·18 claims
- 2871US7486307B2Semiconductor apparatus having conductive layers and semiconductor thin filmsOKI DATA KK·Filed 2006·Granted Feb 3, 2009·4 cites·5 claims
- 2971US6388696B1Led array, and led printer headOKI DATA KK·Filed 1998·Granted May 14, 2002·39 cites·31 claims
- 3070US8035116B2Semiconductor device, light emitting diode head, and image forming apparatusOKI DATA KK·Filed 2007·Granted Oct 11, 2011·4 cites·24 claims
- 3170US6563138B2Low-cost, high-density light-emitting-diode array and fabrication method thereofOKI DATA KK·Filed 2000·Granted May 13, 2003·15 cites·3 claims
- 3269US9214597B2Semiconductor deviceOKI DATA KK·Filed 2013·Granted Dec 15, 2015·2 cites·15 claims
- 3369US7432523B2Semiconductor composite device, LED head that employs the semiconductor composite device, and image forming apparatus that employs the LED headOKI DATA KK·Filed 2005·Granted Oct 7, 2008·2 cites·17 claims
- 3468US11894272B2Semiconductor substrate, method for manufacturing semiconductor substrate and method for manufacturing semiconductor deviceFILNEX INC·Filed 2021·Granted Feb 6, 2024·0 cites·12 claims
- 3568US8481342B2Method of manufacturing semiconductor device, semiconductor device and semiconductor composite deviceOGIHARA MITSUHIKO·Filed 2010·Granted Jul 9, 2013·2 cites·4 claims
- 3668US7893455B2Semiconductor light emitting device with stress absorber, LED printhead, and image forming apparatusOKI DATA KK·Filed 2007·Granted Feb 22, 2011·3 cites·18 claims
- 3768US7408566B2Semiconductor device, LED print head and image-forming apparatus using same, and method of manufacturing semiconductor deviceOKI DATA KK·Filed 2004·Granted Aug 5, 2008·9 cites·14 claims
- 3867US8664668B2Combined semiconductor apparatus with semiconductor thin filmOGIHARA MITSUHIKO·Filed 2009·Granted Mar 4, 2014·3 cites·1 claims
- 3967US7361935B2Semiconductor device, LED print head, that uses the semiconductor, and image forming apparatus that uses the LED print headOKI DATA KK·Filed 2006·Granted Apr 22, 2008·3 cites·17 claims
- 4066US8395184B2Semiconductor device based on the cubic silicon carbide single crystal thin filmOGIHARA MITSUHIKO·Filed 2012·Granted Mar 12, 2013·1 cites·4 claims
- 4166US6172701B1Light emitting element array chip, light emitting element array drive IC and print headOKI DATA KK·Filed 1998·Granted Jan 9, 2001·23 cites·23 claims
- 4265US8022387B2Composite semiconductor device having a thyristor structureOKI DATA KK·Filed 2006·Granted Sep 20, 2011·3 cites·20 claims
- 4365US6211537B1LED arrayOKI ELECTRIC IND CO LTD·Filed 1998·Granted Apr 3, 2001·35 cites·14 claims
- 4464US7061113B2Semiconductor apparatus, led head, and image forming apparatusOKI DATA KK·Filed 2004·Granted Jun 13, 2006·11 cites·18 claims
- 4563US8524366B2Graphene wafer, method for manufacturing the graphene wafer, method for releasing a graphene layer, and method for manufacturing a graphene deviceOGIHARA MITSUHIKO·Filed 2010·Granted Sep 3, 2013·1 cites·11 claims
- 4663US5997152ALight emitting element module and printer head using the sameOKI ELECTRIC IND CO LTD·Filed 1997·Granted Dec 7, 1999·28 cites·26 claims
- 4762US8269314B2Display apparatusSUZUKI TAKAHITO·Filed 2008·Granted Sep 18, 2012·2 cites·8 claims
- 4862US7122834B2Semiconductor apparatus having adhesion layer and semiconductor thin filmOKI DATA KK·Filed 2003·Granted Oct 17, 2006·10 cites·18 claims
- 4961US7999275B2Composite semiconductor device, LED head that employs the composite semiconductor device, and image forming apparatus that employs the LED headOKI DATA KK·Filed 2007·Granted Aug 16, 2011·2 cites·27 claims
- 5061US7811841B2Semiconductor composite device, method for manufacturing the semiconductor composite device, LED head that employs the semiconductor composite device, and image forming apparatus that employs the LED headOKI DATA KK·Filed 2008·Granted Oct 12, 2010·1 cites·5 claims
Showing the top 50 of 110 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →