Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392053 | Group 13 element nitride crystal layer, self-supporting substrate, and functional element | Takayuki Hirao, Yoshinori Isoda, Tetsuya Uchikawa | 2025-08-19 |
| 11035055 | Group 13 nitride layer, composite substrate, and functional element | Yoshinori Isoda, Tetsuya Uchikawa, Takayuki Hirao, Takanao Shimodaira, Katsuhiro Imai | 2021-06-15 |
| 10190233 | Method and device for producing a group 13 element nitride crystal using a shielding object | Shuhei Higashihara, Takayuki Hirao, Tetsuya Uchikawa | 2019-01-29 |