Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645970 | Weak base developable positive photoresist composition containing quinonediazide compound | Chao H. Tseng, Pao-Ju Hsieh | 1997-07-08 |
| 5631111 | Method for producing color filters | Chao Niu, Hsien-Kuang Lin, Pao-Ju Hsieh | 1997-05-20 |