Inventor · disambiguated record
Nobuyuki Otsuka
Also filed as: HIRAI SEIICHI · OTSUKA NOBUYUKI
50 granted patents·2 pending applications·801 citations·filing 1978–2021
98Inventor score
Files withMATSUSHITA ELECTRIC INDUSTRIAL CO LTD30HONDA MOTOR CO LTD9PANASONIC CORP4PANASONIC IP MAN CO LTD3CHISSO CORP2
Top patents by PatentIndex Score
52 records- 0194US4379706ASlidable-type constant velocity universal jointHONDA MOTOR CO LTD·Filed 1980·Granted Apr 12, 1983·45 cites·9 claims
- 0291US4689979APressing method and punch and die press for the sameHONDA MOTOR CO LTD·Filed 1984·Granted Sep 1, 1987·57 cites·14 claims
- 0390US7160748B2Method for fabricating nitride semiconductor, method for fabricating nitride semiconductor device, and nitride semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2005·Granted Jan 9, 2007·13 cites·11 claims
- 0488US4196598AApparatus for prevention of the removal of a universal jointHONDA MOTOR CO LTD·Filed 1978·Granted Apr 8, 1980·31 cites·7 claims
- 0586US7009216B2Semiconductor light emitting device and method of fabricating the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Mar 7, 2006·24 cites·23 claims
- 0685US8941350B2Power conversion apparatus, power conversion method, motor system, and two-phase induction motorPANASONIC CORP·Filed 2013·Granted Jan 27, 2015·9 cites·14 claims
- 0785US8866516B2Gate drive circuitPANASONIC CORP·Filed 2013·Granted Oct 21, 2014·7 cites·21 claims
- 0882US8384212B2Semiconductor equipment and method of manufacturing the samePANASONIC CORP·Filed 2011·Granted Feb 26, 2013·6 cites·19 claims
- 0982US6586774B2Method for fabricating nitride semiconductor, method for fabricating nitride semiconductor device, and nitride semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jul 1, 2003·21 cites·6 claims
- 1082US5438952AMethod of growing a semiconductor layer and a fabrication method of a semiconductor device using such a semiconductor layerFUJITSU LTD·Filed 1994·Granted Aug 8, 1995·79 cites·17 claims
- 1182US5319657ASemiconductor laser of modulation doping quantum well structure with stopper against dopant dispersion and manufacturing method thereofMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Jun 7, 1994·45 cites·12 claims
- 1281US4494941AConstant velocity universal jointHONDA MOTOR CO LTD·Filed 1982·Granted Jan 22, 1985·24 cites·18 claims
- 1380US5568501ASemiconductor laser and method for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Oct 22, 1996·37 cites·19 claims
- 1479US6858877B2Nitride semiconductor, method for manufacturing the same and nitride semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Feb 22, 2005·22 cites·13 claims
- 1579US6110756AMethod for producing semiconductor laserMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Aug 29, 2000·35 cites·6 claims
- 1679US6104738ASemiconductor laser and process for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Aug 15, 2000·48 cites·32 claims
- 1776US7005680B2Semiconductor light-emitting device including a divided electrode having a plurality of spaced apart conductive membersMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Feb 28, 2006·11 cites·14 claims
- 1876US4188803AConstant velocity universal jointHONDA MOTOR CO LTD·Filed 1978·Granted Feb 19, 1980·19 cites·4 claims
- 1974US6777253B2Method for fabricating semiconductor, method for fabricating semiconductor substrate, and semiconductor light emitting deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Aug 17, 2004·16 cites·11 claims
- 2073US4231232AConstant velocity universal jointHONDA MOTOR CO LTD·Filed 1978·Granted Nov 4, 1980·18 cites·6 claims
- 2172US6778308B2Process of fabricating semiconductor light emitting deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Aug 17, 2004·11 cites·14 claims
- 2270US9531317B2Power conversion apparatus, power conversion method, and motor systemPANASONIC IP MAN CO LTD·Filed 2014·Granted Dec 27, 2016·2 cites·16 claims
- 2369US6653662B2Semiconductor light-emitting device, method for fabricating the same, and method for driving the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Nov 25, 2003·8 cites·7 claims
- 2468US5311534ASemiconductor laser devicesMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted May 10, 1994·23 cites·16 claims
- 2564US5539766ADistributed feedback semiconductor laserMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Jul 23, 1996·16 cites·12 claims
- 2661US6238752B1Diamino compounds, polyamic acids, polyimides, liquid crystal aligning films using said polyimide films and liquid crystal display devices using said aligning filmsCHISSO CORP·Filed 1999·Granted May 29, 2001·17 cites·15 claims
- 2760US6861679B2Gallium indium nitride arsenide based epitaxial wafer, a hetero field effect transistor using the wafer, and a method of fabricating the hetero field effect transistorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Mar 1, 2005·9 cites·19 claims
- 2860US6151351ADistributed feedback semiconductor laser and method for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Nov 21, 2000·21 cites·45 claims
- 2959US4578048ASlidable type constant velocity universal jointHONDA MOTOR CO LTD·Filed 1981·Granted Mar 25, 1986·17 cites·25 claims
- 3057US7737037B2Semiconductor device and method of manufacturing the sameNEC ELECTRONICS CORP·Filed 2008·Granted Jun 15, 2010·0 cites·7 claims
- 3156US6953954B2Plasma oscillation switching deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Oct 11, 2005·7 cites·14 claims
- 3254US7323725B2Semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jan 29, 2008·6 cites·8 claims
- 3353US6090909AUv-ray-dimerized high molecular compound, liquid crystal aligning film using above high molecular compound and liquid crystal display element using above aligning filmCHISSO CORP·Filed 1999·Granted Jul 18, 2000·12 cites·2 claims
- 3453US5494521AApparatus and method for vapor growthMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Feb 27, 1996·8 cites·2 claims
- 3552US7440899B2Phonetic-sound providing system, server, client machine, information-provision managing server and phonetic-sound providing methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Oct 21, 2008·3 cites·11 claims
- 3652US6921678B2Method for fabricating nitride semiconductor, method for fabricating nitride semiconductor device, and nitride semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2003·Granted Jul 26, 2005·2 cites·9 claims
- 3752US6107112ADistributed feedback semiconductor laser and method for producing the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Aug 22, 2000·14 cites·5 claims
- 3851US2023240551A1Biometric information acquisition method, program, and biometric information acquisition methodPANASONIC IP MAN CO LTD·Filed 2021·Application pending·0 cites
- 3950US7414261B2Ballistic semiconductor deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Aug 19, 2008·4 cites·16 claims
- 4049US6917457B2Process of fabricating semiconductor light emitting deviceMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2004·Granted Jul 12, 2005·2 cites·12 claims
- 4149US2006115963A1Semiconductor device and method of manufacturing the sameNEC ELECTRONICS CORP·Filed 2005·Application pending·0 cites
- 4247US5856207AMethod for producing a semiconductor laserMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1996·Granted Jan 5, 1999·8 cites·3 claims
- 4346US9134363B2Operation check support device and operation check support methodPANASONIC CORP·Filed 2013·Granted Sep 15, 2015·0 cites·13 claims
- 4444US4180344ASlidable type constant velocity universal jointHONDA MOTOR CO LTD·Filed 1978·Granted Dec 25, 1979·8 cites·2 claims
- 4543US9543849B2Power conversion apparatus, power conversion method, motor system, and three-phase motorPANASONIC IP MAN CO LTD·Filed 2014·Granted Jan 10, 2017·0 cites·14 claims
- 4643US5621747AMulti quantum well semiconductor laser and optical communication system using the sameMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1994·Granted Apr 15, 1997·9 cites·5 claims
- 4743US5308433AApparatus and method for vapor growthMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted May 3, 1994·7 cites·1 claims
- 4843US4331005AConstant velocity universal jointHONDA MOTOR CO LTD·Filed 1980·Granted May 25, 1982·8 cites·10 claims
- 4937US5960257AMethod distributed feedback semiconductor laser for fabricatingMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1997·Granted Sep 28, 1999·5 cites·9 claims
- 5036US8427090B2Magnetic-drive-pulsation motorOTSUKA NOBUYUKI·Filed 2011·Granted Apr 23, 2013·0 cites·9 claims
Showing the top 50 of 52 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →