Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11234308 | Dimming control method | Yugang Bao, Xinghua ZHANG | 2022-01-25 |
| 11225837 | Dual-speed dual—core enhanced drilling equipment | Liexiang Han, Zuo Chen, Bin LIU, Xiaofeng YANG, Sheng-Kang Yu +10 more | 2022-01-18 |