Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370738 | Compound semiconductor vapor phase epitaxial device | Atsushi Watanabe, Kazumasa Hiramatsu, Isamu Akasaki | 1994-12-06 |
| 5281830 | Light-emitting semiconductor device using gallium nitride group compound | Masahiro Kotaki, Isamu Akasaki | 1994-01-25 |