Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10078059 | Nitride crystal, nitride crystal substrate, epilayer-containing nitride crystal substrate, semiconductor device and method of manufacturing the same | Keiji Ishibashi, Seiji Nakahata, Takayuki Nishiura | 2018-09-18 |
| 9570540 | Nitride crystal, nitride crystal substrate, epilayer-containing nitride crystal substrate, semiconductor device and method of manufacturing the same | Keiji Ishibashi, Seiji Nakahata, Takayuki Nishiura | 2017-02-14 |
| 8828140 | Nitride crystal, nitride crystal substrate, epilayer-containing nitride crystal substrate, semiconductor device and method of manufacturing the same | Keiji Ishibashi, Seiji Nakahata, Takayuki Nishiura | 2014-09-09 |
| 8192543 | Nitride crystal, nitride crystal substrate, epilayer-containing nitride crystal substrate, semiconductor device and method of manufacturing the same | Keiji Ishibashi, Seiji Nakahata, Takayuki Nishiura | 2012-06-05 |
| 7854804 | Nitride crystal, nitride crystal substrate, epilayer-containing nitride crystal substrate, semiconductor device and method of manufacturing the same | Keiji Ishibashi, Seiji Nakahata, Takayuki Nishiura | 2010-12-21 |
| 7416604 | Nitride crystal, nitride crystal substrate, epilayer-containing nitride crystal substrate, semiconductor device and method of manufacturing the same | Keiji Ishibashi, Seiji Nakahata, Takayuki Nishiura | 2008-08-26 |