Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883771 | Method of making and separating semiconductor lasers | Hisao Kumabe | 1989-11-28 |
| 4841532 | Semiconductor laser | Hisao Kumabe | 1989-06-20 |
| 4815082 | Semiconductor laser device | Kunihiko Isshiki, Takashi Murakami | 1989-03-21 |
| 4813050 | Semiconductor laser device | Akihiro Shima | 1989-03-14 |
| 4797895 | Semiconductor laser apparatus | Yoshihiro Kokubo | 1989-01-10 |