Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11280024 | Method for producing a group III nitride semiconductor by controlling the oxygen concentration of the furnace internal atmosphere | Takayuki Sato, Miki Moriyama, Shiro Yamazaki | 2022-03-22 |
| 10329687 | Method for producing Group III nitride semiconductor including growing Group III nitride semiconductor through flux method | Miki Moriyama, Shiro Yamazaki | 2019-06-25 |
| 9691610 | Method for producing a group III nitride semiconductor crystal and method for producing a GaN substrate | Shohei Kumegawa, Seiji Nagai, Miki Moriyama | 2017-06-27 |
| 9263258 | Method for producing group III nitride-based compound semiconductor, wafer, and group III nitride-based compound semiconductor device | Seiji Nagai, Shiro Yamazaki, Takayuki Sato, Koji Okuno, Koichi Goshonoo | 2016-02-16 |
| 9153439 | Method for etching a group III nitride semiconductor, method for producing a group III nitride semiconductor crystal, and method for producing a GaN substrate | Shohei Kumegawa, Seiji Nagai, Miki Moriyama | 2015-10-06 |
| 8507364 | N-type group III nitride-based compound semiconductor and production method therefor | Seiji Nagai, Shiro Yamazaki, Takayuki Sato, Makoto Iwai, Katsuhiro Imai +2 more | 2013-08-13 |