Inventor
NARITSUKA SHIGEYA
JP6 patents
⚠️ This page may combine multiple inventors who share the name “NARITSUKA SHIGEYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOSHIBA KK
4 patentsUS5153889AOct 6, 1992
Semiconductor light emitting device
TOSHIBA KK140 citations98
US5048035ASep 10, 1991
Semiconductor light emitting device
TOSHIBA KK94 citations96
US4893313AJan 9, 1990
Semiconductor laser device which has a double-hetero structure having an optimal layer thickness
TOSHIBA KK23 citations92
US5036521AJul 30, 1991
Semiconductor laser device
TOSHIBA KK17 citations82