Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8134689 | Dual stage positioning and switching system | Xiaoping Li | 2012-03-13 |
| 8027028 | Precise positioning system for dual stage switching exposure | Xiaoping Li, Zhiyong Yang, Jun Ming Guan, Shaowen Gao, Wenfeng Sun +2 more | 2011-09-27 |