Inventor
KOTAKI MASAHIRO
JP7 patents
⚠️ This page may combine multiple inventors who share the name “KOTAKI MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYODA GOSEI KK
6 patentsUS5408120AApr 18, 1995
Light-emitting device of gallium nitride compound semiconductor
TOYODA GOSEI KK200 citations98
USRE36747EJun 27, 2000
Light-emitting device of gallium nitride compound semiconductor
TOYODA GOSEI KK101 citations97
US5281830AJan 25, 1994
Light-emitting semiconductor device using gallium nitride group compound
TOYODA GOSEI KK121 citations97
US5205905AApr 27, 1993
Dry etching method for semiconductor
TOYODA GOSEI KK49 citations92
US4946548AAug 7, 1990
Dry etching method for semiconductor
TOYODA GOSEI KK36 citations92
US4646208AFeb 24, 1987
Vehicle top mark
TOYODA GOSEI KK15 citations68