Inventor · disambiguated record
Hiroshi Nakatsu
Also filed as: NAKATSU HIROSHI
44 granted patents·3 pending applications·649 citations·filing 1988–2021
98Inventor score
Top patents by PatentIndex Score
47 records- 0195US5309001ALight-emitting diode having a surface electrode of a tree-like formSHARP KK·Filed 1992·Granted May 3, 1994·161 cites·16 claims
- 0279US6236477B1Optical transmission and receiving moduleSHARP KK·Filed 2000·Granted May 22, 2001·26 cites·16 claims
- 0378US6465812B1Semiconductor light emitting deviceSHARP KK·Filed 2000·Granted Oct 15, 2002·15 cites·17 claims
- 0476US6794687B1Semiconductor light-emitting device and method for fabricating the deviceSHARP KK·Filed 2000·Granted Sep 21, 2004·19 cites·11 claims
- 0576US5404031ASemiconductor light emitting device with current confining layerSHARP KK·Filed 1994·Granted Apr 4, 1995·38 cites·9 claims
- 0674US7645622B2Method of producing nitride-based semiconductor device, and light-emitting device produced therebySHARP KK·Filed 2006·Granted Jan 12, 2010·4 cites·4 claims
- 0774US6794688B2Semiconductor light-emitting device and manufacturing method therefor, and LED lamp and LED displaySHARP KK·Filed 2002·Granted Sep 21, 2004·21 cites·8 claims
- 0869US6881985B2Light emitting diodeSHARP KK·Filed 2003·Granted Apr 19, 2005·15 cites·16 claims
- 0969US6621106B2Light emitting diodeSHARP KK·Filed 2001·Granted Sep 16, 2003·16 cites·5 claims
- 1068US6433364B2Semiconductor light emitting device capable of increasing light emitting efficiencySHARP KK·Filed 2001·Granted Aug 13, 2002·16 cites·20 claims
- 1168US6081540ASemiconductor light emitting device with high light emission efficiencySHARP KK·Filed 1997·Granted Jun 27, 2000·39 cites·20 claims
- 1268US5228047ASemiconductor laser device and a method for producing the sameSHARP KK·Filed 1991·Granted Jul 13, 1993·27 cites·14 claims
- 1367US6617606B2Light-emitting semiconductor elementSHARP KK·Filed 2001·Granted Sep 9, 2003·15 cites·20 claims
- 1466US7217955B2Semiconductor laser deviceSHARP KK·Filed 2004·Granted May 15, 2007·13 cites·16 claims
- 1566US6384430B1Light emitting diodeSHARP KK·Filed 2001·Granted May 7, 2002·13 cites·4 claims
- 1666US5751014ASemiconductor light emitting deviceSHARP KK·Filed 1997·Granted May 12, 1998·30 cites·14 claims
- 1764US12176683B2Laser elementSHARP FUKUYAMA LASER CO LTD·Filed 2021·Granted Dec 24, 2024·0 cites·7 claims
- 1864US5900642ASemiconductor light emitting deviceSHARP KK·Filed 1998·Granted May 4, 1999·26 cites·9 claims
- 1962US9620671B2Nitride semiconductor light emitting element and method for manufacturing sameSHARP KK·Filed 2013·Granted Apr 11, 2017·1 cites·10 claims
- 2062US7968360B2Method of producing nitride semiconductor light-emitting device using a surfactant materialSHARP KK·Filed 2008·Granted Jun 28, 2011·1 cites·19 claims
- 2161US7495263B2Semiconductor light-emitting device and manufacturing method thereforSHARP KK·Filed 2001·Granted Feb 24, 2009·11 cites·18 claims
- 2261US6501101B2Light emitting diodeSHARP KK·Filed 2001·Granted Dec 31, 2002·11 cites·23 claims
- 2360US5031991AOptical coupling circuit elementSHARP KK·Filed 1989·Granted Jul 16, 1991·19 cites·22 claims
- 2459US7166865B2Semiconductor light emitting device and method for manufacturing sameSHARP KK·Filed 2004·Granted Jan 23, 2007·8 cites·18 claims
- 2558US6984850B2Semiconductor light-emitting diodeSHARP KK·Filed 2003·Granted Jan 10, 2006·6 cites·4 claims
- 2658US6468818B2Method for producing a high-luminance semiconductor light-emitting device capable of operating at a low voltageSHARP KK·Filed 2000·Granted Oct 22, 2002·8 cites·41 claims
- 2757US6265732B1Light emitting diodeSHARP KK·Filed 1999·Granted Jul 24, 2001·19 cites·7 claims
- 2856US6797986B1Semiconductor light emitting elementSHARP KK·Filed 2000·Granted Sep 28, 2004·5 cites·29 claims
- 2954US5777349ASemiconductor light emitting deviceSHARP KK·Filed 1996·Granted Jul 7, 1998·19 cites·15 claims
- 3053US7285436B2Method of manufacturing a semiconductor light-emitting deviceSHARP KK·Filed 2004·Granted Oct 23, 2007·5 cites·5 claims
- 3151US6815727B2Semiconductor light emitting deviceSHARP KK·Filed 2003·Granted Nov 9, 2004·4 cites·11 claims
- 3250US6822266B2Semiconductor light-emitting deviceSHARP KK·Filed 2002·Granted Nov 23, 2004·3 cites·15 claims
- 3350US6770915B2Light emitting element with multiple multi-layer reflectors and a barrier layersSHARP KK·Filed 2003·Granted Aug 3, 2004·3 cites·11 claims
- 3450US6617614B2Semiconductor light-emitting deviceSHARP KK·Filed 2001·Granted Sep 9, 2003·3 cites·16 claims
- 3549US6548824B2Semiconductor light emitting device for stably obtaining peak wave length of emission spectrumSHARP KK·Filed 2001·Granted Apr 15, 2003·2 cites·10 claims
- 3646US7893446B2Nitride semiconductor light-emitting device providing efficient light extractionSHARP KK·Filed 2008·Granted Feb 22, 2011·0 cites·9 claims
- 3746US7348195B2Semiconductor light-emitting device and method for fabricating the deviceSHARP KK·Filed 2004·Granted Mar 25, 2008·2 cites·5 claims
- 3846US7005682B2Semiconductor light emitting elementSHARP KK·Filed 2004·Granted Feb 28, 2006·1 cites·11 claims
- 3945US6864514B2Light emitting diodeSHARP KK·Filed 2003·Granted Mar 8, 2005·1 cites·10 claims
- 4045US5581116ASemiconductor device manufactured by selectively controlling growth of an epitaxial layer without a maskSHARP KK·Filed 1994·Granted Dec 3, 1996·8 cites·12 claims
- 4143US2005031007A1Semiconductor light emitting elementSHARP KK·Filed 2004·Application pending·0 cites
- 4242US6936858B1Semiconductor light-emitting diodeSHARP KK·Filed 1999·Granted Aug 30, 2005·8 cites·9 claims
- 4342US6924502B2Semiconductor light emitting device for stably obtaining peak wave length of emission spectrumSHARP KK·Filed 2002·Granted Aug 2, 2005·0 cites·15 claims
- 4440US5854089ASemiconductor device by selectively controlling growth of an epitaxial layer without a maskSHARP KK·Filed 1996·Granted Dec 29, 1998·7 cites·9 claims
- 4540US2005116309A1Semiconductor light-emitting element, manufacturing method therefor and semiconductor deviceFiled 2004·Application pending·0 cites
- 4636US2004126918A1Semiconductor light emitting device and method for manufacturing sameSHARP KK·Filed 2003·Application pending·0 cites
- 4730US4927371ASocket for semiconductor deviceSHARP KK·Filed 1988·Granted May 22, 1990·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →