Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10782275 | Semiconductor hydrogen sensor and manufacturing method thereof | Changcheng Ju, Zhuo Chen, Long Wang | 2020-09-22 |
| 10626678 | Reaming device connecting to downhole motor with paralleled driving structure | Yongqing Yin, Yongqi Yin, Lijiang Liu, Yinghui Yao, Qin Wang | 2020-04-21 |