Inventor · disambiguated record
Takeshi Kamikawa
Also filed as: KAMIKAWA TAKESHI
75 granted patents·54 pending applications·508 citations·filing 1999–2023
99Inventor score
Top patents by PatentIndex Score
129 records- 0196US6628249B1Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatusSHARP KK·Filed 2000·Granted Sep 30, 2003·87 cites·22 claims
- 0295US7180487B2Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatusSHARP KK·Filed 2003·Granted Feb 20, 2007·68 cites·18 claims
- 0395US6603146B1Gallium nitride group compound semiconductor light-emitting deviceSHARP KK·Filed 2000·Granted Aug 5, 2003·103 cites·23 claims
- 0494US7157297B2Method for fabrication of semiconductor deviceSHARP KK·Filed 2005·Granted Jan 2, 2007·26 cites·16 claims
- 0592US7579627B2Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatusSHARP KK·Filed 2006·Granted Aug 25, 2009·14 cites·17 claims
- 0691US7410819B2Nitride semiconductor light-emitting device and method for producing sameSHARP KK·Filed 2005·Granted Aug 12, 2008·14 cites·8 claims
- 0790US7109049B2Method for fabricating a nitride semiconductor light-emitting deviceSHARP KK·Filed 2005·Granted Sep 19, 2006·21 cites·10 claims
- 0889US7692200B2Nitride semiconductor light-emitting deviceSHARP KK·Filed 2008·Granted Apr 6, 2010·11 cites·2 claims
- 0988US7772611B2Nitride semiconductor device with depressed portionSHARP KK·Filed 2006·Granted Aug 10, 2010·11 cites·11 claims
- 1087US12051765B2Method for removal of devices using a trenchUNIV CALIFORNIA·Filed 2020·Granted Jul 30, 2024·2 cites·11 claims
- 1187US7462882B2Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatusSHARP KK·Filed 2004·Granted Dec 9, 2008·20 cites·6 claims
- 1284US7361518B2Semiconductor element, semiconductor device, and method for fabrication thereofSHARP KK·Filed 2005·Granted Apr 22, 2008·7 cites·4 claims
- 1382US7858992B2Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatusSHARP KK·Filed 2009·Granted Dec 28, 2010·5 cites·2 claims
- 1481US7700963B2Nitride semiconductor light-emitting deviceSHARP KK·Filed 2008·Granted Apr 20, 2010·5 cites·4 claims
- 1580US7709858B2Nitride semiconductor light emitting deviceSHARP KK·Filed 2005·Granted May 4, 2010·7 cites·19 claims
- 1679US9190806B2Nitride semiconductor light emitting deviceKAWAGUCHI YOSHINOBU·Filed 2010·Granted Nov 17, 2015·2 cites·5 claims
- 1779US7750363B2Nitride semiconductor light-emitting device having an end face coating film and method of manufacturing the sameSHARP KK·Filed 2006·Granted Jul 6, 2010·7 cites·3 claims
- 1879US7529283B2Nitride semiconductor laser device and method for fabrication thereofSHARP KK·Filed 2007·Granted May 5, 2009·5 cites·7 claims
- 1978US7199398B2Nitride semiconductor light emitting device having electrode electrically separated into at least two regionsSHARP KK·Filed 2003·Granted Apr 3, 2007·14 cites·18 claims
- 2076US8368183B2Nitride semiconductor deviceSHARP KK·Filed 2005·Granted Feb 5, 2013·4 cites·22 claims
- 2176US6521998B1Electrode structure for nitride III-V compound semiconductor devicesSHARP KK·Filed 1999·Granted Feb 18, 2003·35 cites·14 claims
- 2275US8664688B2Nitride semiconductor light-emitting chip, method of manufacture thereof, and semiconductor optical deviceKAMIKAWA TAKESHI·Filed 2010·Granted Mar 4, 2014·3 cites·13 claims
- 2374US8248335B2Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatusKAMIKAWA TAKESHI·Filed 2011·Granted Aug 21, 2012·2 cites·2 claims
- 2474US7792169B2Nitride semiconductor light emitting deviceSHARP KK·Filed 2007·Granted Sep 7, 2010·3 cites·7 claims
- 2573US7940003B2Light emitting device and method of fabricating a light emitting deviceSHARP KK·Filed 2008·Granted May 10, 2011·5 cites·24 claims
- 2673US7889161B2Light emitting apparatus, method for driving the light emitting apparatus, and display apparatus including the light emitting apparatusSHARP KK·Filed 2006·Granted Feb 15, 2011·3 cites·18 claims
- 2772US7701994B2Nitride semiconductor light-emitting device and method for fabrication thereofSHARP KK·Filed 2005·Granted Apr 20, 2010·3 cites·13 claims
- 2871US12205847B2Method of removing a substrate with a cleaving techniqueUNIV CALIFORNIA·Filed 2022·Granted Jan 21, 2025·0 cites·9 claims
- 2971US8288794B2Nitride semiconductor layers on substrate having ridge portions with inflow prevention walls near engraved regionsKAMIKAWA TAKESHI·Filed 2010·Granted Oct 16, 2012·1 cites·13 claims
- 3069US9437787B2Semiconductor light emitting deviceSHARP KK·Filed 2013·Granted Sep 6, 2016·2 cites·7 claims
- 3169US8571083B2Nitride semiconductor laser chipKAWAGUCHI YOSHINOBU·Filed 2010·Granted Oct 29, 2013·2 cites·14 claims
- 3269US8344413B2Nitride semiconductor wafer, nitride semiconductor chip, and method of manufacture of nitride semiconductor chipSHARP KK·Filed 2010·Granted Jan 1, 2013·2 cites·16 claims
- 3369US2022352409A1Method of removing a substrateUNIV CALIFORNIA·Filed 2022·Application pending·0 cites
- 3469US2022352410A1Method of removing a substrateUNIV CALIFORNIA·Filed 2022·Application pending·0 cites
- 3567US7968898B2Nitride semiconductor light emitting device, method of manufacturing nitride semiconductor light emitting device, and nitride semiconductor transistor deviceSHARP KK·Filed 2007·Granted Jun 28, 2011·2 cites·14 claims
- 3667US7633983B2Semiconductor laser deviceSHARP KK·Filed 2008·Granted Dec 15, 2009·2 cites·5 claims
- 3765US7903710B2Nitride semiconductor light-emitting deviceSHARP KK·Filed 2010·Granted Mar 8, 2011·1 cites·5 claims
- 3864US12476438B2Optical device and light emitting deviceKYOCERA CORP·Filed 2022·Granted Nov 18, 2025·0 cites·15 claims
- 3964US8030110B2Nitride semiconductor light-emitting device and method for fabrication thereofSHARP KK·Filed 2010·Granted Oct 4, 2011·1 cites·4 claims
- 4063US11316061B2Photovoltaic devices, photovoltaic modules provided therewith, and solar power generation systemsSHARP KK·Filed 2020·Granted Apr 26, 2022·0 cites·6 claims
- 4163US7820542B2Nitride semiconductor light-emitting device and method for fabrication thereofSHARP KK·Filed 2010·Granted Oct 26, 2010·1 cites·5 claims
- 4263US7697585B2Semiconductor laser diodeSHARP KK·Filed 2007·Granted Apr 13, 2010·2 cites·7 claims
- 4361US8319235B2Nitride semiconductor light-emitting device and method of manufacturing nitride semiconductor light-emitting deviceKAMIKAWA TAKESHI·Filed 2007·Granted Nov 27, 2012·1 cites·7 claims
- 4461US2017237230A1Nitride semiconductor light emitting deviceSHARP KK·Filed 2017·Application pending·0 cites
- 4561US2025183614A1Manufacturing method and manufacturing apparatus for semiconductor laser deviceKYOCERA CORP·Filed 2023·Application pending·0 cites
- 4660US8368098B2Light emitting device and manufacturing method thereofSHARP KK·Filed 2008·Granted Feb 5, 2013·1 cites·13 claims
- 4760US2025212575A1Light-emitting element, and method and device for manufacturing sameKYOCERA CORP·Filed 2023·Application pending·0 cites
- 4860US2015372165A1Photoelectric converting elementSHARP KK·Filed 2014·Application pending·0 cites
- 4959US9660413B2Nitride semiconductor light emitting deviceSHARP KK·Filed 2015·Granted May 23, 2017·0 cites·5 claims
- 5059US7691653B2Nitride semiconductor laser element and method for manufacturing the sameSHARP KK·Filed 2006·Granted Apr 6, 2010·1 cites·28 claims
Showing the top 50 of 129 patent records by PatentIndex Score.
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