Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663975 | Multi-beam semiconductor laser with separated contacts characterized by semiconductor mixed crystal and active layer | Tsukuru Katsuyama, Junichi Hashimoto | 1997-09-02 |
| 5617957 | Method of sorting semiconductor lasers | Tsukuru Katsuyama, Jun Hashimoto | 1997-04-08 |