Inventor
KASHIMA YASUMASA
JP13 patents
⚠️ This page may combine multiple inventors who share the name “KASHIMA YASUMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OKI ELECTRIC IND CO LTD
11 patentsUS4975752ADec 4, 1990
Light-emitting diode
OKI ELECTRIC IND CO LTD9 citations73
US6013539AJan 11, 2000
Edge emitting led and method of forming the same
OKI ELECTRIC IND CO LTD10 citations71
US5994158ANov 30, 1999
Method of fabricating an abrupt hetero interface by organometallic vapor phase growth
OKI ELECTRIC IND CO LTD16 citations71
US5889294AMar 30, 1999
Edge emitting LED having a selective-area growth optical absorption region
OKI ELECTRIC IND CO LTD9 citations71
US5034955AJul 23, 1991
Superluminescent diode
OKI ELECTRIC IND CO LTD4 citations62
US6562649B2May 13, 2003
Compound semiconductor light emitting device and process for producing the same
OKI ELECTRIC IND CO LTD2 citations60
US6470038B2Oct 22, 2002
Compound semiconductor light emitting device and process for producing the same
OKI ELECTRIC IND CO LTD5 citations60
US6008066ADec 28, 1999
Method of manufacturing a light emitting diode to vary band gap energy of active layer
OKI ELECTRIC IND CO LTD2 citations60
US5828085AOct 27, 1998
Light emitting diode having light-emitting and light-absorbing regions
OKI ELECTRIC IND CO LTD4 citations60
US6083813AJul 4, 2000
Method for forming a compound semiconductor device using a buffer layer over a corrugated surface
OKI ELECTRIC IND CO LTD0 citations50
US6570189B1May 27, 2003
Semiconductor device and method of manufacturing the same
OKI ELECTRIC IND CO LTD0 citations39