Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4351856 | Semiconductor device and method of manufacturing the same | Makoto Matsui, Yasuhiro Shiraki, Toshihisa Tsukada, Eiichi Maruyama | 1982-09-28 |
| 4337443 | Semiconductor laser device with facet passivation film | Jun-ichi Umeda, Toshikazu Shimada, Michiharu Nakamura, Takashi Kajimura, Shigeo Yamashita | 1982-06-29 |