Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6598278 | Sponge sleeve installation appliance | Yong-Sen Liao, Yi-Yuan Chen, Chi-Yeh Huang, Shih-Lin Chen | 2003-07-29 |
| 6382861 | Cleaning device for cleaning dirt produced from manufacturing equipment | Tu-Hao Yu, Chi-Yeh Huang, Yi-Yuan Chen | 2002-05-07 |
| 6305062 | Preventive maintenance apparatus for CMP top-ring's backing-film and the method thereof | Yong-Sen Liao, Frank Ji Chang | 2001-10-23 |