Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10354863 | Seed crystal for growth of gallium nitride bulk crystal in supercritical ammonia and fabrication method | Tadao Hashimoto, Edward Letts | 2019-07-16 |
| 10287709 | Seed crystal for growth of gallium nitride bulk crystal in supercritical ammonia and fabrication method | Tadao Hashimoto, Edward Letts | 2019-05-14 |
| 10242868 | Seed crystal for growth of gallium nitride bulk crystal in supercritical ammonia and fabrication method | Tadao Hashimoto, Edward Letts | 2019-03-26 |
| 9909230 | Seed selection and growth methods for reduced-crack group III nitride bulk crystals | Tadao Hashimoto, Edward Letts | 2018-03-06 |