Issued Patents 2023
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11852661 | Method and system for extracting characteristic signal from power frequency signal and file management method therefor | Wujuan Zhang, Feng Tian, Jun Li, Zhengquan Xie | 2023-12-26 |