Inventor · disambiguated record
Yukio Narukawa
Also filed as: NARUKAWA YUKIO
8 granted patents·171 citations·filing 2002–2014
88Inventor score
Top patents by PatentIndex Score
8 records- 0195US7781790B2Method 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
- 0293US7348600B2Nitride semiconductor device, and its fabrication processNICHIA CORP·Filed 2003·Granted Mar 25, 2008·45 cites·14 claims
- 0391US7345297B2Nitride semiconductor deviceNICHIA CORP·Filed 2005·Granted Mar 18, 2008·61 cites·22 claims
- 0484US8686457B2Method for manufacturing substrate for semiconductor light emitting element and semiconductor light emitting element using the sameNICHIA CORP·Filed 2013·Granted Apr 1, 2014·5 cites·21 claims
- 0579US8394652B2Method for manufacturing substrate for semiconductor light emitting element and semiconductor light emitting element using the sameMINATO SHUNSUKE·Filed 2010·Granted Mar 12, 2013·4 cites·22 claims
- 0676US6876009B2Nitride semiconductor device and a process of manufacturing the sameNICHIA CORP·Filed 2002·Granted Apr 5, 2005·18 cites·34 claims
- 0771US8076694B2Nitride semiconductor element having a silicon substrate and a current passing regionNARUKAWA YUKIO·Filed 2006·Granted Dec 13, 2011·9 cites·8 claims
- 0856US9054271B2Method for manufacturing substrate for semiconductor light emitting element and semiconductor light emitting element using the sameNICHIA CORP·Filed 2014·Granted Jun 9, 2015·0 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →