Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4366567 | Semiconductor laser device | Tadashi Fukuzawa, Susumu Takahashi | 1982-12-28 |
| 4366569 | Semiconductor laser device including an arrangement for preventing laser degradation caused by excessive current flow | Motohisa Hirao, Atsutoshi Doi, Shinji Tsuji, Yutaka Takeda, Takao Mori | 1982-12-28 |
| 4361887 | Semiconductor light emitting element | Motohisa Hirao, Shigeo Yamashita, Tadashi Fukuzawa, Junichi Umeda | 1982-11-30 |
| 4337443 | Semiconductor laser device with facet passivation film | Jun-ichi Umeda, Toshikazu Shimada, Yoshifumi Katayama, Takashi Kajimura, Shigeo Yamashita | 1982-06-29 |
| 4326176 | Semiconductor laser device | Kunio Aiki, Jun-ichi Umeda | 1982-04-20 |