Issued Patents All Time
Showing 76–78 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5284791 | Method of making tunable semiconductor laser | Yasutaka Sakata, Masayuki Yamaguchi | 1994-02-08 |
| 5250462 | Method for fabricating an optical semiconductor device | Ikuo Mito, Tomoaki Katoh | 1993-10-05 |
| 5237639 | Optical waveguide formed of compound semiconductor materials and process of fabricating the optical waveguide | Tomoaki Kato, Keiro Komatsu | 1993-08-17 |