Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5650641 | Semiconductor device having group III nitride compound and enabling control of emission color, and flat display comprising such device | Michinari Sassa, Masayoshi Koike, Katsuhide Manabe, Hisaki Kato, Naoki Shibata +2 more | 1997-07-22 |
| 5627109 | Method of manufacturing a semiconductor device that uses a sapphire substrate | Michinari Sassa | 1997-05-06 |
| 5620557 | Sapphireless group III nitride semiconductor and method for making same | Katsuhide Manabe, Masayoshi Koike, Hisaki Kato, Isamu Akasaki, Hiroshi Amano | 1997-04-15 |
| 5604763 | Group III nitride compound semiconductor laser diode and method for producing same | Hisaki Kato, Masayoshi Koike, Isamu Akasaki, Hiroshi Amano | 1997-02-18 |