Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9687956 | Polishing pad with offset concentric grooving pattern and method for polishing a substrate therewith | Ching-Ming Tsai, Shi Cheng, Kun-Shu Yang, Jia-Cheng Hsu, Sheng-Huan Liu +1 more | 2017-06-27 | $7,964,000 |
| 6561880 | Apparatus and method for cleaning the polishing pad of a linear polisher | Tien-Chen Hu | 2003-05-13 | $4,211,000 |