Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12411404 | Method of manufacturing phase shift photo masks | Chun-Chieh Tien, Chih-Ming Chen, Cheng-Ming Lin, Yen-Wei Huang, Hao-Ming Chang +2 more | 2025-09-09 |
| 11906898 | Method of manufacturing phase shift photo masks | Chun-Chieh Tien, Chih-Ming Chen, Cheng-Ming Lin, Yen-Wei Huang, Hao-Ming Chang +2 more | 2024-02-20 |
| 10908494 | Photomask and manufacturing method thereof | Cheng-Ming Lin, Chih-Ming Chen, Huai-Chih Cheng, Hao-Ming Chang, Hsao Shih +1 more | 2021-02-02 |
| 10739671 | Method of manufacturing phase shift photo masks | Chun-Chieh Tien, Chih-Ming Chen, Cheng-Ming Lin, Yen-Wei Huang, Hao-Ming Chang +2 more | 2020-08-11 |