Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6544868 | Method of manufacturing light emitting diode with low-receptivity p-type impurity layers formed by microwave treatment | Chung-Ying CHANG | 2003-04-08 |
| 6504183 | Epitaxial growth of nitride semiconductor device | Chih-Sung Chang | 2003-01-07 |