Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987097 | Method of manufacturing a semiconductor laser device | Koichi Nitta, Yukie Nishikawa, Masayuki Ishikawa, Yoshihiro Kokubun | 1991-01-22 |
| 4922499 | Semiconductor laser device and the manufacturing method thereof | Koichi Nitta, Yukie Nishikawa, Masayuki Ishikawa, Yoshihiro Kokubun | 1990-05-01 |
| 4855250 | Method of manufacturing a semiconductor laser with autodoping control | Motoyuki Yamamoto | 1989-08-08 |