Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9682457 | Composite polishing pad and method for making the same | Chung-Chih Feng, Wen-Chieh Wu, Yung-Chang Hung | 2017-06-20 |
| 9669518 | Polishing pad and method for making the same | Chung-Chih Feng, Wen-Chieh Wu, Yung-Chang Hung | 2017-06-06 |
| 9616611 | Method for making a ball shaped product | Chung-Chih Feng, Ko-Feng Wang, Kai-Feng Kang, Chun-Yi Kuo | 2017-04-11 |