Inventor · disambiguated record
Yasuhito Urashima
Also filed as: URASHIMA YASUHITO
6 granted patents·49 citations·filing 2001–2006
78Inventor score
Top patents by PatentIndex Score
6 records- 0183US6852161B2Method of fabricating group-iii nitride semiconductor crystal, method of fabricating gallium nitride-based compound semiconductor, gallium nitride-based compound semiconductor, gallium nitride-based compound semiconductor light-emitting device, and light source using the semiconductor light-emitting deviceSHOWA DENKO KK·Filed 2001·Granted Feb 8, 2005·31 cites·84 claims
- 0281US7652299B2Nitride semiconductor light-emitting device and method for fabrication thereofSHOWA DENKO KK·Filed 2006·Granted Jan 26, 2010·11 cites·20 claims
- 0369US7479663B2Gallium nitride-based semiconductor light emitting device and process for its productionSHOWA DENKO KK·Filed 2006·Granted Jan 20, 2009·5 cites·16 claims
- 0463US7935955B2Group III nitride semiconductor multilayer structureSHOWA DENKO KK·Filed 2005·Granted May 3, 2011·2 cites·12 claims
- 0540US7803648B2Nitride semiconductor light-emitting device and method for fabrication thereofSHOWA DENKO KK·Filed 2006·Granted Sep 28, 2010·0 cites·5 claims
- 0635US8173461B2Process for fabrication of nitride semiconductor light emitting deviceURASHIMA YASUHITO·Filed 2006·Granted May 8, 2012·0 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →