Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9691610 | Method for producing a group III nitride semiconductor crystal and method for producing a GaN substrate | Shohei Kumegawa, Yasuhide Yakushi, Seiji Nagai | 2017-06-27 |
| 9567693 | Method for producing a group III nitride semiconductor single crystal and method for producing a GaN substrate | Seiji Nagai, Shohei Kumegawa, Shiro Yamazaki | 2017-02-14 |