Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11066805 | Measuring device and method for horizontal dynamic impedance of specified foundation depth based on differential response analysis of pulse excitation | Jianbo Li, Weihong Liu, Zhiyuan Li | 2021-07-20 |
| 10826438 | Bias circuit | Wei Li | 2020-11-03 |