Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6927149 | Nitride semiconductor device and fabrication method thereof, and method for forming nitride semiconductor substrate | Gaku Sugahara, Akihiko Ishibashi, Toshiya Yokogawa, Atsushi Matsubara | 2005-08-09 |
| 6858877 | Nitride semiconductor, method for manufacturing the same and nitride semiconductor device | Akihiko Ishibashi, Ayumu Tsujimura, Nobuyuki Otsuka | 2005-02-22 |