Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5718991 | Method for making photomasks having regions of different light transmissivities | Dhei-Jhai Lin, Hua-Chi Cheng, Wen-Tung Cheng | 1998-02-17 |
| 5346597 | Process for etching organic polymeric materials | Shy-Ming Ho, Tsung-Hsing Wang | 1994-09-13 |
| 5235014 | High-refractivity plastic lens resin | Chih-Chiang Chen | 1993-08-10 |
| 5153102 | Alkalline-solution-developable liquid photographic composition | Chein-Dhau Lee, Wen-Shin Shen, Dhei-Jhai Lin | 1992-10-06 |
| 5011762 | Photosensitive compositions having enhanced photopolymerization rate | Chein-Dhau Lee, Wen-Shin Shen | 1991-04-30 |