Issued Patents 2022
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D971891 | Pair of bluetooth earphones | — | 2022-12-06 |
| D968368 | Earphone | — | 2022-11-01 |
| 11459636 | Method and system for comprehensive recovery and utilization of copper-nickel sulfide ore | Zhongwei ZHAO, Xuheng LIU, Wanhai Xiao, Xingyu Chen, Jiangtao Li | 2022-10-04 |
| 11444450 | Adaptive fault clearing scheme for MMC VSC-HVDC grid based on source-grid coordination | Xiaolong Chen, Xiaowen Han, Bin Li, Botong Li | 2022-09-13 |
| 11349300 | Grounding fault protection method for high-voltage capacitor of direct-current filter | Yunke Zhang, Jinzhao Song | 2022-05-31 |
| 11214495 | Preparation method of phosphotungstic acid | Zhongwei ZHAO | 2022-01-04 |