Assignee
YOKOYAMA YASUNORI
JP·7 granted patents·1 pending application·10 citations·filing 2007–2011
Top patents by PatentIndex Score
8 records- 0177US8614454B2Semiconductor light-emitting device, manufacturing method thereof, and lampYOKOYAMA YASUNORI·Filed 2011·Granted Dec 24, 2013·4 cites·8 claims
- 0267US8080484B2Method for manufacturing group III nitride semiconductor layer, method for manufacturing group III nitride semiconductor light-emitting device, and group III nitride semiconductor light-emitting device, and lampYOKOYAMA YASUNORI·Filed 2009·Granted Dec 20, 2011·2 cites·4 claims
- 0366US8106419B2Group-III nitride compound semiconductor light-emitting device, method of manufacturing group-III nitride compound semiconductor light-emitting device, and lampYOKOYAMA YASUNORI·Filed 2007·Granted Jan 31, 2012·2 cites·12 claims
- 0465US8765507B2Method for manufacturing group III nitride semiconductor, method for manufacturing group III nitride semiconductor light-emitting device, group III nitride semiconductor light-emitting device, and lampYOKOYAMA YASUNORI·Filed 2008·Granted Jul 1, 2014·2 cites·13 claims
- 0550US9040319B2Group-III nitride compound semiconductor light-emitting device, method of manufacturing group-III nitride compound semiconductor light-emitting device, and lampYOKOYAMA YASUNORI·Filed 2011·Granted May 26, 2015·0 cites·15 claims
- 0647US8227359B2Method for manufacturing group III nitride semiconductor layer, method for manufacturing group III nitride semiconductor light-emitting device, and group III nitride semiconductor light-emitting device, and lampYOKOYAMA YASUNORI·Filed 2011·Granted Jul 24, 2012·0 cites·1 claims
- 0745US8273592B2Method of manufacturing group-III nitride semiconductor light emitting device, group III nitride semiconductor light emitting device and lampYOKOYAMA YASUNORI·Filed 2007·Granted Sep 25, 2012·0 cites·11 claims
- 0845US2010219445A1Group iii nitride semiconductor light-emitting device, method for manufacturing the same, and lampYOKOYAMA YASUNORI·Filed 2008·Application pending·0 cites
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