Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12196080 | Drilling device for geotechnical engineering investigation | Mingzhi Zhang, Jun Li, Xiaohui Gan, Hui Li, Jianqiang Wang +3 more | 2025-01-14 |
| 9727684 | Method and apparatus for physical-aware hold violation fixing | Hongwei Dai, Jifeng Li, Jia Niu | 2017-08-08 |