Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5760457 | Bipolar transistor circuit element having base ballasting resistor | Shigeru Mitsui, Takuji Sonoda, Teruyuki Shimura | 1998-06-02 |
| 4701926 | Laser diode | Yoshito Seiwa | 1987-10-20 |
| 4675875 | Surface emitting semiconductor laser | — | 1987-06-23 |
| 4592061 | Transverse junction stripe laser with steps at the end faces | Hisao Kumabe, Toshio Sogo | 1986-05-27 |
| 4581744 | Surface emitting injection type laser device | Shigeki Horiuchi, Kaname Otaki, Yoshihiro Kokubo | 1986-04-08 |
| 4277759 | Semiconductor laser device | Toshio Tanaka, Hirofumi Namizaki, Wataru Susaki | 1981-07-07 |
| 4215358 | Mesa type semiconductor device | Manabu Wataze, Kazuhisa Takahashi, Shigeru Mitsui | 1980-07-29 |
| 4212019 | Avalanche photodiode | Manabu Wataze, Kazuhisa Takahashi, Shigeru Mitsui | 1980-07-08 |