Inventor
KUMAGAI KEIKO
JP5 patents
⚠️ This page may combine multiple inventors who share the name “KUMAGAI KEIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEIKO EPSON CORP
4 patentsUS7899094B2Mar 1, 2011
Laser light source device, illumination device, image display device, and monitor device
SEIKO EPSON CORP9 citations81
US7561604B2Jul 14, 2009
Laser light source device, illumination device, image display device, and monitor device
SEIKO EPSON CORP0 citations49
US7561612B2Jul 14, 2009
Laser source device, image display device equipped with the laser source device, and monitor device
SEIKO EPSON CORP1 citations46
US7817334B2Oct 19, 2010
Wavelength conversion element, light source device, image display device, and monitor device
SEIKO EPSON CORP0 citations39