Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4966863 | Method for producing a semiconductor laser device | Hitoshi Mizuochi | 1990-10-30 |
| 4954853 | Optical semiconductor device | Kazuomi Yoshida, Hitoshi Mizuochi, Yousuke Yamamoto | 1990-09-04 |
| 4723251 | Semiconductor laser having an active layer buried in a groove | Yasushi Sakakibara, Hirofumi Namizaki, Etsuji Oomura | 1988-02-02 |
| 4706106 | Semiconductor light receiving device | Tetsuo Shiba, Kazuhisa Takahashi, Kenji Ikeda | 1987-11-10 |
| 4561096 | Buried semiconductor laser avoiding thyristor action | Hirofumi Namizaki, Ryoichi Hirano, Etsuji Oomura, Yasushi Sakakibara, Wataru Susaki | 1985-12-24 |