Inventor
OTA KOICHI
JP23 patents
⚠️ This page may combine multiple inventors who share the name “OTA KOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYODA GOSEI KK
14 patentsUS7824937B2Nov 2, 2010
Solid element device and method for manufacturing the same
TOYODA GOSEI KK57 citations97
US7679101B2Mar 16, 2010
Light emitting device
TOYODA GOSEI KK60 citations97
US7332746B1Feb 19, 2008
Light-emitting apparatus
TOYODA GOSEI KK131 citations97
US7227190B2Jun 5, 2007
White light emitting device
TOYODA GOSEI KK73 citations97
US6717355B2Apr 6, 2004
Light-emitting unit
TOYODA GOSEI KK84 citations97
US6540377B1Apr 1, 2003
Full-color light source unit
TOYODA GOSEI KK107 citations97
US7176623B2Feb 13, 2007
Light emitting device
TOYODA GOSEI KK52 citations95
US6777805B2Aug 17, 2004
Group-III nitride compound semiconductor device
TOYODA GOSEI KK42 citations95
US7781787B2Aug 24, 2010
Light-emitting diode, led light, and light apparatus
TOYODA GOSEI KK38 citations90
US7858997B2Dec 28, 2010
Light emitting apparatus and light emitting method
TOYODA GOSEI KK10 citations84
US7121925B2Oct 17, 2006
Method for dicing semiconductor wafer into chips
TOYODA GOSEI KK17 citations83
US7304325B2Dec 4, 2007
Group III nitride compound semiconductor light-emitting device
TOYODA GOSEI KK8 citations74
US7042089B2May 9, 2006
Group III nitride compound semiconductor device
TOYODA GOSEI KK10 citations73
USRE41234EApr 20, 2010
Light-emitting unit having specific fluorescent material
TOYODA GOSEI KK4 citations62
LEUCHSTOFFWERK BREITUNGEN GMBH
3 patentsUS6943380B2Sep 13, 2005
Light emitting device having phosphor of alkaline earth metal silicate
LEUCHSTOFFWERK BREITUNGEN GMBH183 citations98
US7157746B2Jan 2, 2007
Light emitting device having a divalent-europium-activated alkaline earth metal orthosilicate phosphor
LEUCHSTOFFWERK BREITUNGEN GMBH58 citations95
US7138660B2Nov 21, 2006
Light emitting device
LEUCHSTOFFWERK BREITUNGEN GMBH58 citations95