Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 7223157 | Chemical-mechanical polishing apparatus and method of conditioning polishing pad | Sheng-Yu Chen, Chung-Jun Cheng, Chi-Piao Cheng, Po-Yuan Cheng | 2007-05-29 | $2,395,000 |
| 6913520 | All-in-one polishing process for a semiconductor wafer | Mu-Liang Liao, Chi-Piao Cheng, Yung-Chieh Kuo | 2005-07-05 | $1,326,000 |