Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11152230 | Device and method for bonding alignment | Zhi Zhu, Zhijun Huo | 2021-10-19 |
| 10927612 | Downhole auxiliary drilling apparatus | Yijin Zeng, Qunai Hu, Chenxi Zhao, Xiaojie Cui, Lanrong Ma +3 more | 2021-02-23 |