Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10078059 | Nitride crystal, nitride crystal substrate, epilayer-containing nitride crystal substrate, semiconductor device and method of manufacturing the same | Keiji Ishibashi, Tokiko Kaji, Takayuki Nishiura | 2018-09-18 |
| 10006147 | Gallium nitride substrate | Makoto Kiyama, Ryu Hirota | 2018-06-26 |
| 9917004 | Group III nitride composite substrate and method for manufacturing the same, and method for manufacturing group III nitride semiconductor device | Keiji Ishibashi, Akihiro Hachigo, Yuki Hiromura, Naoki Matsumoto, Fumitake Nakanishi +6 more | 2018-03-13 |