Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9601349 | Etching method | Yu-Chung Chen, Shih-Chang Tsai | 2017-03-21 |
| 8390049 | Structure of semiconductor device | Shin-Chang Tsai, Chun-Hung Lee | 2013-03-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9601349 | Etching method | Yu-Chung Chen, Shih-Chang Tsai | 2017-03-21 |
| 8390049 | Structure of semiconductor device | Shin-Chang Tsai, Chun-Hung Lee | 2013-03-05 |