Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4723251 | Semiconductor laser having an active layer buried in a groove | Yasushi Sakakibara, Hirofumi Namizaki, Hideyo Higuchi | 1988-02-02 |
| 4561096 | Buried semiconductor laser avoiding thyristor action | Hirofumi Namizaki, Ryoichi Hirano, Hideyo Higuchi, Yasushi Sakakibara, Wataru Susaki | 1985-12-24 |
| 4334311 | Transverse junction stripe semiconductor laser device | Toshio Murotani, Makoto Ishii | 1982-06-08 |