Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8485869 | Polishing material having polishing particles and method for making the same | Chung-Chih Feng, I-Peng Yao, Lyang-Gung Wang, Yung-Chang Hung | 2013-07-16 |
| 7824249 | Polishing material having polishing particles and method for making the same | Chung-Chih Feng, I-Peng Yao, Lyang-Gung Wang, Yung-Chang Hung | 2010-11-02 |