Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6777253 | Method for fabricating semiconductor, method for fabricating semiconductor substrate, and semiconductor light emitting device | Akihiko Ishibashi, Ayumu Tsujimura, Nobuyuki Otsuka, Kiyoshi Ohnaka | 2004-08-17 |
| 6764871 | Method for fabricating a nitride semiconductor device | Akihiko Ishibashi, Ayumu Tsujimura | 2004-07-20 |