Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10415639 | Adjustable magnetic buoyancy gravity compensator | Qingsheng Chen | 2019-09-17 |
| 10133153 | Self-damping shutter apparatus for exposure system of photolithography machine | Shuo Shi | 2018-11-20 |