Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10747162 | Process cartridge | Liangliang Hu | 2020-08-18 |
| 10739722 | Control mechanism and process cartridge | Mingsheng Zhao, Liangliang Hu, Xiaobing Liu, Mei Yan | 2020-08-11 |
| 10599090 | Process cartridge | Liangliang Hu | 2020-03-24 |