Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5370738 | Compound semiconductor vapor phase epitaxial device | Atsushi Watanabe, Hiroshi Amano, Kazumasa Hiramatsu | 1994-12-06 |
| 5281830 | Light-emitting semiconductor device using gallium nitride group compound | Masahiro Kotaki, Hiroshi Amano | 1994-01-25 |
| 5278433 | Light-emitting semiconductor device using gallium nitride group compound with double layer structures for the n-layer and/or the i-layer | Katsuhide Manabe, Akira Mabuchi, Hisaki Kato, Michinari Sassa, Norikatsu Koide +2 more | 1994-01-11 |