Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337443 | Semiconductor laser device with facet passivation film | Jun-ichi Umeda, Michiharu Nakamura, Yoshifumi Katayama, Takashi Kajimura, Shigeo Yamashita | 1982-06-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4337443 | Semiconductor laser device with facet passivation film | Jun-ichi Umeda, Michiharu Nakamura, Yoshifumi Katayama, Takashi Kajimura, Shigeo Yamashita | 1982-06-29 |