Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6923709 | Chemical mechanical polishing apparatus having a measuring device for measuring a guide ring | Chih-Kun Chen, Ching-Huang Chen | 2005-08-02 |
| 6920796 | Device used for detecting clamping force of processed object and method thereof | Chih-Kun Chen, Yao-Hsiung Kung, Chung-Min Lin, Jiun-Bo Wang | 2005-07-26 |
| 6790010 | Switching system for a reciprocating piston pump | Chih-Kun Chen | 2004-09-14 |
| 6772528 | Incremental offset measurement instrument | Ming-Fa Tsai, Yi-Tung Lin | 2004-08-10 |
| 6761624 | Chemical mechanical polishing apparatus | Hsin-Chuan Tsai | 2004-07-13 |
| 6726554 | Guide ring removal device | Chih-Kun Chen | 2004-04-27 |