Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10316431 | Method of growing group III nitride crystals | Tadao Hashimoto, Edward Letts | 2019-06-11 |
| 9543393 | Group III nitride wafer and its production method | Tadao Hashimoto, Edward Letts | 2017-01-10 |
| 9518340 | Method of growing group III nitride crystals | Tadao Hashimoto, Edward Letts | 2016-12-13 |
| 9452495 | Laser slicer of crystal ingots and a method of slicing gallium nitride ingots using a laser slicer | Tadao Hashimoto | 2016-09-27 |
| 9435051 | Bismuth-doped semi-insulating group III nitride wafer and its production method | Tadao Hashimoto, Edward Letts | 2016-09-06 |
| 9255342 | Bismuth-doped semi-insulating group III nitride wafer and its production method | Tadao Hashimoto, Edward Letts | 2016-02-09 |
| 9202872 | Method of growing group III nitride crystals | Tadao Hashimoto, Edward Letts | 2015-12-01 |
| 8921231 | Group III nitride wafer and its production method | Tadao Hashimoto, Edward Letts | 2014-12-30 |