Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11159013 | Disconnection and switch-over device for overvoltage protection, particularly for DC systems | Hongjun Li, Niansheng Xu | 2021-10-26 |
| 10629399 | Overvoltage protection arrangement having a plurality of planar varistors arranged on a first side of an N-cornered supporting plate | Hongjun Li, Niansheng Xu | 2020-04-21 |