Issued Patents 2002
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6468347 | Method of growing single crystal GaN, method of making single crystal GaN substrate and single crystal GaN substrate | Takuji Okahisa, Naoki Matsumoto | 2002-10-22 |
| 6468882 | Method of producing a single crystal gallium nitride substrate and single crystal gallium nitride substrate | Hitoshi Kasai, Takuji Okahisa | 2002-10-22 |
| 6413627 | GaN single crystal substrate and method of producing same | Takuji Okahisa, Naoki Matsumoto, Tatsuya Nishimoto | 2002-07-02 |
| 6387722 | Methods for preparing an epitaxial wafer having a gallium nitride epitaxial layer deposited on a semiconductor substrate | Masato Matsushima, Katsushi Akita, Mitsuru Shimazu, Kikurou Takemoto, Hisashi Seki +1 more | 2002-05-14 |