Inventor · disambiguated record
Takayuki Yuasa
Also filed as: YUASA TAKAYUKI
31 granted patents·6 pending applications·1,188 citations·filing 1996–2019
98Inventor score
Top patents by PatentIndex Score
37 records- 0198US6455877B1III-N compound semiconductor deviceSHARP KK·Filed 2000·Granted Sep 24, 2002·138 cites·25 claims
- 0297US6335546B1Nitride semiconductor structure, method for producing a nitride semiconductor structure, and light emitting deviceSHARP KK·Filed 1999·Granted Jan 1, 2002·250 cites·15 claims
- 0394US6984841B2Nitride semiconductor light emitting element and production thereofSHARP KK·Filed 2002·Granted Jan 10, 2006·49 cites·31 claims
- 0493US6620238B2Nitride semiconductor structure, method for producing a nitride semiconductor structure, and light emitting deviceSHARP KK·Filed 2001·Granted Sep 16, 2003·58 cites·12 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
- 0690US7064357B2Nitride compound semiconductor light emitting device and method for producing the sameSHARP KK·Filed 2001·Granted Jun 20, 2006·27 cites·10 claims
- 0790US6586777B1Nitride semiconductor light emitting deviceSHARP KK·Filed 2000·Granted Jul 1, 2003·52 cites·14 claims
- 0889US6518602B1Nitride compound semiconductor light emitting device and method for producing the sameSHARP KK·Filed 2000·Granted Feb 11, 2003·70 cites·12 claims
- 0989US6380051B1Layered structure including a nitride compound semiconductor film and method for making the sameSHARP KK·Filed 1999·Granted Apr 30, 2002·96 cites·19 claims
- 1089US6252255B1Crystal growth method for nitride semiconductor, nitride light emitting device, and method for producing the sameSHARP KK·Filed 1999·Granted Jun 26, 2001·86 cites·12 claims
- 1188US6812496B2Group III nitride semiconductor laser deviceSHARP KK·Filed 2002·Granted Nov 2, 2004·23 cites·8 claims
- 1287US7462882B2Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatusSHARP KK·Filed 2004·Granted Dec 9, 2008·20 cites·6 claims
- 1387US6924512B2Nitride semiconductor light-emitting device and optical apparatus including the sameSHARP KK·Filed 2001·Granted Aug 2, 2005·59 cites·16 claims
- 1483US7498608B2Nitride-composite semiconductor laser element, its manufacturing method, and semiconductor optical deviceSHARP KK·Filed 2002·Granted Mar 3, 2009·20 cites·11 claims
- 1583US7352012B2Nitride compound semiconductor light emitting device and method for producing the sameSHARP KK·Filed 2006·Granted Apr 1, 2008·7 cites·3 claims
- 1682US7858992B2Nitride semiconductor light-emitting device, method of fabricating it, and semiconductor optical apparatusSHARP KK·Filed 2009·Granted Dec 28, 2010·5 cites·2 claims
- 1781US6017774AMethod for producing group III-V compound semiconductor and fabricating light emitting device using such semiconductorSHARP KK·Filed 1996·Granted Jan 25, 2000·61 cites·15 claims
- 1880US6420283B1methods for producing compound semiconductor substrates and light emitting elementsSHARP KK·Filed 1998·Granted Jul 16, 2002·56 cites·27 claims
- 1979US7663158B2Nitride compound semiconductor light emitting device and method for producing the sameSHARP KK·Filed 2007·Granted Feb 16, 2010·4 cites·3 claims
- 2075US7015058B2Method for fabricating a group III nitride semiconductor laser deviceSUMITOMO ELECTRIC INDUSTRIES·Filed 2004·Granted Mar 21, 2006·10 cites·12 claims
- 2171US6891201B2Nitride semiconductor laser element and optical device containing itSHARP KK·Filed 2002·Granted May 10, 2005·10 cites·28 claims
- 2271US6452216B1Nitride semiconductor light emitting device and apparatus including the sameSHARP KK·Filed 2001·Granted Sep 17, 2002·13 cites·11 claims
- 2368US6434025B2Power supply unitNIPPON SIGNAL CO LTD·Filed 1999·Granted Aug 13, 2002·37 cites·44 claims
- 2467US8361939B2Multilayered sintered sliding memberCATERPILLAR JAPAN LTD·Filed 2008·Granted Jan 29, 2013·2 cites·5 claims
- 2567US8029044B2Cab structure of construction equipmentCATERPILLAR JAPAN LTD·Filed 2008·Granted Oct 4, 2011·8 cites·16 claims
- 2667US7781244B2Method of manufacturing nitride-composite semiconductor laser element, with disclocation controlSHARP KK·Filed 2008·Granted Aug 24, 2010·1 cites·17 claims
- 2754US6685773B2Crystal growth method for nitride semiconductor, nitride semiconductor light emitting device, and method for producing the sameSHARP KK·Filed 2001·Granted Feb 3, 2004·3 cites·10 claims
- 2853US8502238B2Nitride-composite semiconductor laser element, its manufacturing method, and semiconductor optical deviceITO SHIGETOSHI·Filed 2012·Granted Aug 6, 2013·0 cites·8 claims
- 2953US2012234371A1Incident angle dependent smart solar concentratorZHANG TONG·Filed 2011·Application pending·0 cites
- 3049US10269305B2Mirror displaySHARP KK·Filed 2014·Granted Apr 23, 2019·0 cites·25 claims
- 3149US8334544B2Nitride semiconductor laser device including growth-inhibiting film at dislocation concentrated regionITO SHIGETOSHI·Filed 2010·Granted Dec 18, 2012·0 cites·15 claims
- 3248US2006065197A1Vapor deposition apparatusYAMADA EIJI·Filed 2005·Application pending·0 cites
- 3344US2021350793A1Customer service support device, customer service support method, recording medium with customer service support program stored thereinNEC CORP·Filed 2019·Application pending·0 cites
- 3443US2020294650A1Computer, information processing method, and network systemSHARP KK·Filed 2016·Application pending·0 cites
- 3541US5995527ASemiconductor laser device having an inn contact layer and a method of fabricating the sameSHARP KK·Filed 1997·Granted Nov 30, 1999·9 cites·5 claims
- 3640US2007194693A1Light-Emitting DeviceSAITO HAJIME·Filed 2005·Application pending·0 cites
- 3739US2006057824A1Apparatus for producing nitride semiconductor, method for producing nitride semiconductor, and semiconductor laser device obtained by the methodARAKI MASAHIRO·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →