Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5620557 | Sapphireless group III nitride semiconductor and method for making same | Katsuhide Manabe, Masayoshi Koike, Hisaki Kato, Norikatsu Koide, Hiroshi Amano | 1997-04-15 |
| 5604763 | Group III nitride compound semiconductor laser diode and method for producing same | Hisaki Kato, Norikatsu Koide, Masayoshi Koike, Hiroshi Amano | 1997-02-18 |