Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5656832 | Semiconductor heterojunction device with ALN buffer layer of 3nm-10nm average film thickness | Yasuo Ohba | 1997-08-12 |
| 5617438 | Semiconductor laser and method for manufacturing the same | Yasuo Ohba | 1997-04-01 |