Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12230679 | Compound semiconductor substrate including nitride semiconductor layer having varying threading dislocation densities | Sumito OUCHI, Hiroki Sukuki, Keisuke Kawamura | 2025-02-18 |
| 11476115 | Compound semiconductor substrate comprising a SiC layer | Hiroki Suzuki, Sumito OUCHI | 2022-10-18 |
| 11316018 | Compound semiconductor substrate including electron transition layer and barrier layer | Sumito OUCHI, Hiroki Suzuki, Keisuke Kawamura | 2022-04-26 |
| 10354864 | Compound semiconductor substrate with SiC layer | Akira Fukazawa, Hiroki Suzuki, Keisuke Kawamura | 2019-07-16 |
| 10186421 | Composite semiconductor substrate | Akira Fukazawa, Keisuke Kawamura | 2019-01-22 |
| 7629619 | Group III nitride-based compound semiconductor light-emitting device and method for producing the same | Tetsuya Taki, Masato Aoki, Koji Okuno, Yusuke Toyoda, Kazuki Nishijima +1 more | 2009-12-08 |