Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9036154 | Four-axis four-subdividing interferometer | Zhaogu Cheng, Jianfang Chen, Ya Cheng, Huijie Huang | 2015-05-19 |
| 9036155 | Six-axis four-subdividing interferometer | Jianfang Chen, Zhaogu Cheng, Ya Cheng, Huijie Huang | 2015-05-19 |