Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375135 | Semiconductor laser device | Toshiyuki Okumura, Tatsuya Morioka, Narihito Matsumoto | 1994-12-20 |
| 5351258 | Semiconductor laser device | Toshiyuki Okumura, Tatsuya Morioka, Narihito Matsumoto | 1994-09-27 |
| 5335241 | Buried stripe type semiconductor laser device | Toshiyuki Okumura, Kazuhiko Inoguchi, Haruhisa Takiguchi | 1994-08-02 |