Inventor · disambiguated record
Motokazu Yamada
Also filed as: YAMADA MOTOKAZU
133 granted patents·7 pending applications·2,627 citations·filing 1983–2024
99Inventor score
Top patents by PatentIndex Score
140 records- 0199US5563422AGallium nitride-based III-V group compound semiconductor device and method of producing the sameNICHIA KAGAKU KOGYO KK·Filed 1994·Granted Oct 8, 1996·440 cites·49 claims
- 0298US11978725B2Light-emitting device, integrated light-emitting device, and light-emitting moduleNICHIA CORP·Filed 2022·Granted May 7, 2024·4 cites·18 claims
- 0398US11515296B2Light-emitting device, integrated light-emitting device, and light-emitting moduleNICHIA CORP·Filed 2021·Granted Nov 29, 2022·4 cites·20 claims
- 0498US10903193B2Light-emitting deviceNICHIA CORP·Filed 2019·Granted Jan 26, 2021·38 cites·20 claims
- 0598US6870191B2Semiconductor light emitting deviceNICHIA CORP·Filed 2002·Granted Mar 22, 2005·151 cites·27 claims
- 0698US5767581AGallium nitride-based III-V group compound semiconductorNICHIA KAGAKU KOGYO KK·Filed 1996·Granted Jun 16, 1998·171 cites·37 claims
- 0798US5652434AGallium nitride-based III-V group compound semiconductorNICHIA KAGAKU KOGYO KK·Filed 1996·Granted Jul 29, 1997·184 cites·12 claims
- 0897US7635875B2Semiconductor light emitting deviceNICHIA CORP·Filed 2008·Granted Dec 22, 2009·26 cites·7 claims
- 0997US6610995B2Gallium nitride-based III-V group compound semiconductorNICHIA CORP·Filed 2002·Granted Aug 26, 2003·94 cites·18 claims
- 1097US5877558AGallium nitride-based III-V group compound semiconductorNICHIA KAGAKU KOGYO KK·Filed 1997·Granted Mar 2, 1999·140 cites·5 claims
- 1197US4625329APosition analyzer for vehicle driversNIPPON DENSO CO·Filed 1985·Granted Nov 25, 1986·312 cites·14 claims
- 1296US9887329B2Light emitting device and method for manufacturing light emitting deviceNICHIA CORP·Filed 2015·Granted Feb 6, 2018·13 cites·16 claims
- 1396US8344403B2Semiconductor light emitting deviceNICHIA CORP·Filed 2010·Granted Jan 1, 2013·15 cites·14 claims
- 1496US7736019B2Lighting systemYANCHERS CORP·Filed 2006·Granted Jun 15, 2010·102 cites·10 claims
- 1596US7279717B2Light emitting deviceNICHIA CORP·Filed 2006·Granted Oct 9, 2007·31 cites·16 claims
- 1695US11906156B2Light emitting deviceNICHIA CORP·Filed 2023·Granted Feb 20, 2024·2 cites·11 claims
- 1795US11585516B2Light emitting deviceNICHIA CORP·Filed 2021·Granted Feb 21, 2023·2 cites·18 claims
- 1895US8148744B2Semiconductor light emitting deviceNIKI ISAMU·Filed 2010·Granted Apr 3, 2012·17 cites·14 claims
- 1995US8049237B2Light emitting deviceNICHIA CORP·Filed 2008·Granted Nov 1, 2011·40 cites·50 claims
- 2095US7781790B2Method for manufacturing substrate for semiconductor light emitting element and semiconductor light emitting element using the sameNICHIA CORP·Filed 2007·Granted Aug 24, 2010·29 cites·15 claims
- 2195US7597823B2Nitride phosphor and production process thereof, and light emitting deviceNICHIA CORP·Filed 2007·Granted Oct 6, 2009·25 cites·25 claims
- 2294US10090441B2Light emitting deviceNICHIA CORP·Filed 2016·Granted Oct 2, 2018·8 cites·28 claims
- 2394US6204512B1Gallium nitride-based III-V group compound semiconductor device and method of producing the sameNICHIA KAGAKU KOGYO KK·Filed 1999·Granted Mar 20, 2001·72 cites·13 claims
- 2494US6093965AGallium nitride-based III-V group compound semiconductorNICHIA KAGAKU KOGYO KK·Filed 1998·Granted Jul 25, 2000·76 cites·26 claims
- 2593US8344402B2Semiconductor light emitting deviceNICHIA CORP·Filed 2010·Granted Jan 1, 2013·8 cites·19 claims
- 2692US11031532B2Light emitting deviceNICHIA CORP·Filed 2020·Granted Jun 8, 2021·2 cites·20 claims
- 2792US10553763B2Light emitting deviceNICHIA CORP·Filed 2018·Granted Feb 4, 2020·6 cites·11 claims
- 2892US10355181B2Light-emitting device, integrated light-emitting device, and light-emitting moduleNICHIA CORP·Filed 2018·Granted Jul 16, 2019·7 cites·13 claims
- 2992US9956731B2Light emitting device and method of manufacturing the sameNICHIA CORP·Filed 2016·Granted May 1, 2018·8 cites·18 claims
- 3092US8227280B2Semiconductor light emitting deviceNIKI ISAMU·Filed 2010·Granted Jul 24, 2012·8 cites·11 claims
- 3192US7964113B2Nitride phosphor and production process thereof, and light emitting deviceNICHIA CORP·Filed 2009·Granted Jun 21, 2011·15 cites·8 claims
- 3291US10527257B2Light emitting deviceNICHIA CORP·Filed 2017·Granted Jan 7, 2020·6 cites·15 claims
- 3391US8415693B2Light emitting semiconductor device and method of manufacture thereofINOBE MOTOTAKA·Filed 2010·Granted Apr 9, 2013·16 cites·43 claims
- 3491US7745245B2Semiconductor light emitting deviceNICHIA CORP·Filed 2008·Granted Jun 29, 2010·8 cites·6 claims
- 3590US8889459B2Method of manufacturing light emitting deviceNICHIA CORP·Filed 2013·Granted Nov 18, 2014·8 cites·7 claims
- 3690US6998690B2Gallium nitride based III-V group compound semiconductor device and method of producing the sameNICHIA CORP·Filed 2003·Granted Feb 14, 2006·30 cites·5 claims
- 3789US6507041B2Gallium nitride-based III-V group compound semiconductorNICHIA KAGAKU KOGYO KK·Filed 2001·Granted Jan 14, 2003·29 cites·6 claims
- 3888US10718487B2Light-emitting deviceNICHIA CORP·Filed 2018·Granted Jul 21, 2020·4 cites·22 claims
- 3988US8796721B2Semiconductor light emitting deviceNIKI ISAMU·Filed 2012·Granted Aug 5, 2014·4 cites·4 claims
- 4088US6738175B2Light emitting deviceNICHIA CORP·Filed 2000·Granted May 18, 2004·29 cites·23 claims
- 4188US6608330B1Light emitting deviceNICHIA CORP·Filed 1999·Granted Aug 19, 2003·94 cites·9 claims
- 4288US4812845AVehicle running guide systemNIPPON DENSO CO·Filed 1987·Granted Mar 14, 1989·75 cites·17 claims
- 4387US11101247B2Light-emitting device, integrated light-emitting device, and light-emitting moduleNICHIA CORP·Filed 2016·Granted Aug 24, 2021·4 cites·16 claims
- 4487US10595367B2Light-emitting module and integrated light-emitting moduleNICHIA CORP·Filed 2018·Granted Mar 17, 2020·4 cites·12 claims
- 4587US10274168B2Light emitting deviceNICHIA CORP·Filed 2017·Granted Apr 30, 2019·4 cites·10 claims
- 4687US9933140B2Light emitting deviceNICHIA CORP·Filed 2016·Granted Apr 3, 2018·5 cites·17 claims
- 4787US7375383B2Gallium nitride based III-V group compound semiconductor device and method of producing the sameNICHIA CORP·Filed 2007·Granted May 20, 2008·7 cites·15 claims
- 4886US11892157B2Light-emitting deviceNICHIA CORP·Filed 2021·Granted Feb 6, 2024·1 cites·12 claims
- 4986US10569487B2Method of manufacturing light emitting deviceNICHIA CORP·Filed 2019·Granted Feb 25, 2020·2 cites·16 claims
- 5086US7804101B2Semiconductor light-emitting deviceNICHIA CORP·Filed 2004·Granted Sep 28, 2010·16 cites·47 claims
Showing the top 50 of 140 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →