Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7955957 | Group III-nitride semiconductor thin film, method for fabricating the same, and group III-nitride semiconductor light emitting device | Rak Jun Choi, Sakai Shiro | 2011-06-07 |
| 7687814 | Group III-nitride semiconductor thin film, method for fabricating the same, and group III-nitride semiconductor light emitting device | Rak Jun Choi, Sakai Shiro | 2010-03-30 |
| 7348200 | Method of growing non-polar a-plane gallium nitride | Soo Min Lee, Rak Jun Choi, Sakai Shiro, Masayoshi Koike | 2008-03-25 |