Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5684823 | Method of fabricating a diffraction grating and a distributed feedback semiconductor laser incorporating the diffraction grating | Katsuhiko Goto | 1997-11-04 |
| 5675601 | Semiconductor laser device | Shoichi Karakida, Motoharu Miyashita | 1997-10-07 |