Inventor · disambiguated record
Koichi Nitta
Also filed as: NITTA KOICHI
60 granted patents·7 pending applications·4,010 citations·filing 1979–2020
99Inventor score
Top patents by PatentIndex Score
67 records- 0199US6340824B1Semiconductor light emitting device including a fluorescent materialTOSHIBA KK·Filed 1998·Granted Jan 22, 2002·621 cites·32 claims
- 0298US6747293B2Light emitting deviceTOSHIBA KK·Filed 2002·Granted Jun 8, 2004·125 cites·19 claims
- 0398US5696389ALight-emitting semiconductor deviceTOSHIBA KK·Filed 1995·Granted Dec 9, 1997·623 cites·21 claims
- 0497US6803603B1Semiconductor light-emitting elementTOSHIBA KK·Filed 2000·Granted Oct 12, 2004·145 cites·6 claims
- 0597US6495862B1Nitride semiconductor LED with embossed lead-out surfaceTOSHIBA KK·Filed 1999·Granted Dec 17, 2002·411 cites·13 claims
- 0695US6576933B2Semiconductor light emitting device and method for manufacturing sameTOSHIBA KK·Filed 2001·Granted Jun 10, 2003·85 cites·24 claims
- 0795US4298120AChip-like electronic component series and method for supplying chip-like electronic componentsMURATA MANUFACTURING CO·Filed 1979·Granted Nov 3, 1981·86 cites·26 claims
- 0894US6924163B2Semiconductor light emitting device and its manufacturing methodTOSHIBA KK·Filed 2002·Granted Aug 2, 2005·76 cites·11 claims
- 0994US5977565ASemiconductor light emitting diode having a capacitorTOSHIBA KK·Filed 1997·Granted Nov 2, 1999·157 cites·36 claims
- 1093US6586874B1Image display device and light emission deviceTOSHIBA KK·Filed 1998·Granted Jul 1, 2003·96 cites·5 claims
- 1193US6278136B1Semiconductor light emitting element, its manufacturing method and light emitting deviceTOSHIBA KK·Filed 1998·Granted Aug 21, 2001·112 cites·7 claims
- 1292US6674097B2Semiconductor light emitting device including a fluorescent materialTOSHIBA KK·Filed 2001·Granted Jan 6, 2004·54 cites·20 claims
- 1392US5798537ABlue light-emitting deviceTOSHIBA KK·Filed 1996·Granted Aug 25, 1998·188 cites·13 claims
- 1491USD471166SLight emitting semiconductor deviceTOSHIBA KK·Filed 2001·Granted Mar 4, 2003·43 cites·1 claims
- 1591US5900650ASemiconductor device and method of manufacturing the sameTOSHIBA KK·Filed 1997·Granted May 4, 1999·91 cites·20 claims
- 1690US7176623B2Light emitting deviceTOYODA GOSEI KK·Filed 2002·Granted Feb 13, 2007·52 cites·11 claims
- 1790US6815725B2Semiconductor light emitting device having a fluorescent material emitting light of a secondary wavelengthTOSHIBA KK·Filed 2003·Granted Nov 9, 2004·48 cites·12 claims
- 1890US6661030B2Semiconductor light emitting device including a fluorescent materialTOSHIBA KK·Filed 2001·Granted Dec 9, 2003·51 cites·30 claims
- 1990US6281526B1Nitride compound light emitting device and method for fabricating sameTOSHIBA KK·Filed 1998·Granted Aug 28, 2001·152 cites·15 claims
- 2085US7569989B2Light emitting deviceTOSHIBA KK·Filed 2006·Granted Aug 4, 2009·12 cites·7 claims
- 2185US5488233ASemiconductor light-emitting device with compound semiconductor layerTOSHIBA KK·Filed 1994·Granted Jan 30, 1996·66 cites·24 claims
- 2284US5693963ACompound semiconductor device with nitrideTOSHIBA KK·Filed 1995·Granted Dec 2, 1997·96 cites·20 claims
- 2383US7141445B2Semiconductor light emitting device and method for manufacturing sameTOSHIBA KK·Filed 2004·Granted Nov 28, 2006·28 cites·13 claims
- 2482US4664943AMethod of forming external electrodes of chip parts and tool for practicing sameMURATA MANUFACTURING CO·Filed 1984·Granted May 12, 1987·29 cites·8 claims
- 2581US6548834B2Semiconductor light emitting elementTOSHIBA KK·Filed 2002·Granted Apr 15, 2003·40 cites·23 claims
- 2680US7110061B2Image display device and light emission deviceTOSHIBA KK·Filed 2006·Granted Sep 19, 2006·5 cites·1 claims
- 2778US7982384B2Image display device and light emission deviceTOSHIBA KK·Filed 2006·Granted Jul 19, 2011·4 cites·23 claims
- 2878US7122446B2Semiconductor light-emitting elementTOSHIBA KK·Filed 2004·Granted Oct 17, 2006·20 cites·4 claims
- 2976US4706101ALight emitting diode formed of a compound semiconductor materialTOSHIBA KK·Filed 1985·Granted Nov 10, 1987·36 cites·10 claims
- 3075US6258617B1Method of manufacturing blue light emitting elementTOSHIBA KK·Filed 1996·Granted Jul 10, 2001·61 cites·23 claims
- 3175US5282218ASemiconductor laser deviceTOSHIBA KK·Filed 1992·Granted Jan 25, 1994·33 cites·20 claims
- 3274US6864627B2Image display device and light emission deviceTOSHIBA KK·Filed 2003·Granted Mar 8, 2005·11 cites·3 claims
- 3373US7038245B2Semiconductor light emitting device having angled side surfaceTOSHIBA KK·Filed 2003·Granted May 2, 2006·16 cites·4 claims
- 3472US6359292B1Semiconductor light emitting elementTOSHIBA KK·Filed 1999·Granted Mar 19, 2002·43 cites·13 claims
- 3572US5343486ASemiconductor laser deviceTOSHIBA KK·Filed 1992·Granted Aug 30, 1994·27 cites·30 claims
- 3670US7675227B2Image display device and light emission deviceTOSHIBA KK·Filed 2007·Granted Mar 9, 2010·2 cites·20 claims
- 3770US4788931ATool for forming external electrodes of chip partsMURATA MANUFACTURING CO·Filed 1987·Granted Dec 6, 1988·15 cites·9 claims
- 3869US5789265AMethod of manufacturing blue light-emitting device by using BCL3 and CL2TOSHIBA KK·Filed 1997·Granted Aug 4, 1998·50 cites·28 claims
- 3965US6417020B2Nitride compound light emitting device and method for fabricating the sameTOSHIBA KK·Filed 2001·Granted Jul 9, 2002·12 cites·6 claims
- 4064US5058120AVisible light emitting semiconductor laser with inverse mesa-shaped groove sectionTOSHIBA KK·Filed 1990·Granted Oct 15, 1991·21 cites·16 claims
- 4164US4922499ASemiconductor laser device and the manufacturing method thereofTOSHIBA KK·Filed 1989·Granted May 1, 1990·18 cites·10 claims
- 4263US6693307B2Semiconductor light emitting elementTOSHIBA KK·Filed 2001·Granted Feb 17, 2004·10 cites·10 claims
- 4362US5321712ASemiconductor light-emitting device having a cladding layer composed of an InGaAlp-based compoundTOSHIBA KK·Filed 1993·Granted Jun 14, 1994·21 cites·30 claims
- 4461US7488989B2Semiconductor light emitting element, its manufacturing method and semiconductor light emitting deviceTOSHIBA KK·Filed 2004·Granted Feb 10, 2009·10 cites·20 claims
- 4557US5859488APiezoelectric element and method of producing sameMURATA MANUFACTURING CO·Filed 1997·Granted Jan 12, 1999·15 cites·8 claims
- 4654US11205983B2Motor control device and motor control methodYASKAWA ELECTRIC CORP·Filed 2020·Granted Dec 21, 2021·0 cites·8 claims
- 4753US7583019B2Semiconductor light-emitting device with wavelength change materialTOSHIBA KK·Filed 2006·Granted Sep 1, 2009·0 cites·19 claims
- 4850US5202895ASemiconductor device having an active layer made of ingaalp materialTOSHIBA KK·Filed 1991·Granted Apr 13, 1993·12 cites·11 claims
- 4950US4746895ACeramic electronic componentsMURATA MANUFACTURING CO·Filed 1986·Granted May 24, 1988·7 cites·7 claims
- 5049US8193693B2Image display device and light emission deviceKOMOTO SATOSHI·Filed 2011·Granted Jun 5, 2012·0 cites·23 claims
Showing the top 50 of 67 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →