Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5358896 | Method of producing optical integrated circuit | Keiro Komatsu, Tomoaki Kato, Ikuo Mito | 1994-10-25 |
| 5284791 | Method of making tunable semiconductor laser | Yasutaka Sakata, Masayuki Yamaguchi | 1994-02-08 |