Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9099875 | Reverse-connection protecting device and backup power supply including the same | Qiuping Pan, Qingfei Zheng | 2015-08-04 |
| 8953291 | Reversal connection protecting circuit | Yaozhong Mi, Qingfei Zheng, Mingxing S. Li | 2015-02-10 |
| 8237406 | Battery array voltage equalization device | Qingfei Zheng, Yaozhong Mi, Aimei Zhou | 2012-08-07 |
| 8212403 | Circuit for controlling the operation of a backup power supply | Qingfei Zheng, Yaozhong Mi, Aimei Zhou | 2012-07-03 |