Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11670687 | Gallium nitride substrate and manufacturing method of nitride semiconductor crystal | Yusuke Tsukada, Shuichi Kubo, Kazunori Kamada, Hideo Fujisawa, Hirotaka Ikeda +2 more | 2023-06-06 |
| 10734485 | Gallium nitride substrate and manufacturing method of nitride semiconductor crystal | Yusuke Tsukada, Shuichi Kubo, Kazunori Kamada, Hideo Fujisawa, Hirotaka Ikeda +2 more | 2020-08-04 |
| 9673046 | Gallium nitride substrate and manufacturing method of nitride semiconductor crystal | Yusuke Tsukada, Shuichi Kubo, Kazunori Kamada, Hideo Fujisawa, Hirotaka Ikeda +2 more | 2017-06-06 |