Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11108478 | Geographic information-based simulation test system for medium-high frequency communication channels | Difei Chen, Yao TANG | 2021-08-31 |
| 11085245 | Multi-path combined high-low voltage plasma rock-breaking drill bit, drill bit apparatus and drilling method | Yonghong Liu, Qingyun Li, Renjie Ji, Baoping Cai, Xiaopeng Li +5 more | 2021-08-10 |