Inventor
UMEJI TADASHI
JP9 patents
⚠️ This page may combine multiple inventors who share the name “UMEJI TADASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
7 patentsUS6586874B1Jul 1, 2003
Image display device and light emission device
TOSHIBA KK96 citations98
US4831430AMay 16, 1989
Optical semiconductor device and method of manufacturing the same
TOSHIBA KK50 citations91
US6864627B2Mar 8, 2005
Image display device and light emission device
TOSHIBA KK11 citations82
US7982384B2Jul 19, 2011
Image display device and light emission device
TOSHIBA KK4 citations73
US7110061B2Sep 19, 2006
Image display device and light emission device
TOSHIBA KK5 citations73
US7675227B2Mar 9, 2010
Image display device and light emission device
TOSHIBA KK2 citations62
US7583019B2Sep 1, 2009
Semiconductor light-emitting device with wavelength change material
TOSHIBA KK0 citations52