Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5953357 | Semiconductor laser | Shiro Uchida, Koji Iwamoto, Hiroki Nagasaki, Tsuyoshi Tojyo | 1999-09-14 |
| 5255280 | Semiconductor laser | Hironobu Harui | 1993-10-19 |
| 5111469 | Semiconductor laser | Hironobu Narui, Hiroshi Yoshimatsu, Masafumi Ozawa, Yoshifumi Mori | 1992-05-05 |
| 4896331 | Distributed feedback semiconductor laser | — | 1990-01-23 |
| 4888784 | Semiconductor laser device | — | 1989-12-19 |
| 4833687 | Distributed feedback semiconductor laser | — | 1989-05-23 |
| 4807245 | Distributed-feedback type semiconductor laser | Kazuo Honda | 1989-02-21 |
| 4716132 | Method of manufacturing a distributed feedback type semiconductor device | — | 1987-12-29 |