Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5349597 | Semiconductor laser device and production method therefor | — | 1994-09-20 |
| 4966863 | Method for producing a semiconductor laser device | Hideyo Higuchi | 1990-10-30 |
| 4954853 | Optical semiconductor device | Kazuomi Yoshida, Hideyo Higuchi, Yousuke Yamamoto | 1990-09-04 |