Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5363392 | Strained quantum well type semiconductor laser device | Akihiko Kasukawa | 1994-11-08 |
| 5342475 | Method of growing single crystal of compound semiconductor | Seikoh Yoshida | 1994-08-30 |
| 5325385 | Buried-type semiconductor laser device | Akihiko Kasukawa | 1994-06-28 |