Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10861990 | Epitaxial silicon wafer | Kazuhisa Torigoe | 2020-12-08 |
| 10777704 | Manufacturing method for group III nitride semiconductor substrate and group III nitride semiconductor substrate | Koji Matsumoto, Hiroshi Amano, Yoshio Honda | 2020-09-15 |