Inventor
OOTSUKA KAZUAKI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “OOTSUKA KAZUAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
9 patentsUS7468147B2Dec 23, 2008
Fluorescent substance and light-emitting device using the same
TOSHIBA KK59 citations97
US7414272B2Aug 19, 2008
Fluorescent substance containing nitrogen, method for manufacturing the same, and light-emitting device
TOSHIBA KK17 citations82
US7923740B2Apr 12, 2011
Light emission device
TOSHIBA KK4 citations62
US7572391B2Aug 11, 2009
Fluorescent substance and light-emitting device using the same
TOSHIBA KK2 citations62
US7498736B2Mar 3, 2009
Luminescent material
TOSHIBA KK4 citations62
US7635438B2Dec 22, 2009
Luminescent material
TOSHIBA KK6 citations61
US7799245B2Sep 21, 2010
Fluorescent substance and light-emitting device using the same
TOSHIBA KK0 citations51
US7601277B2Oct 13, 2009
Fluorescent substance and light-emitting device using the same
TOSHIBA KK0 citations51
US7838311B2Nov 23, 2010
Process for producing light-emitting semiconductor device
TOSHIBA KK0 citations41