Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11531263 | Photomask having a plurality of shielding layers | Chih-Chiang Tu | 2022-12-20 |
| 11270884 | Reflection mode photomask | Chih-Chiang Tu | 2022-03-08 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11531263 | Photomask having a plurality of shielding layers | Chih-Chiang Tu | 2022-12-20 |
| 11270884 | Reflection mode photomask | Chih-Chiang Tu | 2022-03-08 |