Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392602 | Littrow grating interferometry device and use thereof | Wenhao Li, Zhaowu Liu, Yujia Sun, Lin Liu | 2025-08-19 |
| 12241739 | Bidirectional Littrow two-degree-of-freedom grating interference measurement device based on double gratings | Wenhao Li, Zhaowu Liu, Yujia Sun, Lin Liu | 2025-03-04 |
| 12188794 | Grating displacement measurement device and method using double-layer floating reading head, medium, and apparatus | Wenhao Li, Zhaowu Liu, Shan Jiang, Wei Wang, Yujia Sun +3 more | 2025-01-07 |