Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6627520 | Nitride semiconductor substrate and method for manufacturing the same, and nitride semiconductor device using nitride semiconductor substrate | Tokuya Kozaki, Kazuyuki Chocho, Hitoshi Maegawa | 2003-09-30 |
| 6627974 | Nitride semiconductor substrate and method for manufacturing the same, and nitride semiconductor device using nitride semiconductor substrate | Tokuya Kozaki, Kazuyuki Chocho, Hitoshi Maegawa | 2003-09-30 |
| 6580099 | Nitride semiconductor light-emitting devices | Shuji Nakamura, Shinichi Nagahama, Naruhito Iwasa | 2003-06-17 |