Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834547 | Humidity sensor and fabrication method thereof | Chih-Kun Chen, Yao-Hsiung Kung, Hsin-Chuan Tsai | 2004-12-28 |
| 6745631 | Method of measuring pore depth on the surface of a polishing pad | Chih-Kun Chen | 2004-06-08 |