Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10649403 | Process cartridge and power supply method therefor | Junqing Liu, Zhengjun Zhou, Jizhong Wang | 2020-05-12 |
| 10101705 | Process cartridge and power supply method therefor | Junqing Liu, Zhengjun Zhou, Jizhong Wang | 2018-10-16 |