Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10852634 | Phase shifter mask | Chun-Lang Chen, Chih-Chiang Tu | 2020-12-01 |
| 10845698 | Mask, method of forming the same and method of manufacturing a semiconductor device using the same | Chih-Chiang Tu, Chun-Lang Chen, Jheng-Yuan Chen | 2020-11-24 |