Inventor
TSUBOTA TAKASHI
JP10 patents
⚠️ This page may combine multiple inventors who share the name “TSUBOTA TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OKI ELECTRIC IND CO LTD
5 patentsUS5067809ANov 26, 1991
Opto-semiconductor device and method of fabrication of the same
OKI ELECTRIC IND CO LTD31 citations91
US4975752ADec 4, 1990
Light-emitting diode
OKI ELECTRIC IND CO LTD9 citations73
US6226309B1May 1, 2001
Semiconductor laser and light source
OKI ELECTRIC IND CO LTD11 citations72
US5048039ASep 10, 1991
Laser diode
OKI ELECTRIC IND CO LTD6 citations62
US5034955AJul 23, 1991
Superluminescent diode
OKI ELECTRIC IND CO LTD4 citations62