Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12422777 | Processing cartridge | Shuchun DAI, Geming Ding, Likun ZENG, Qin LUO, Kun Li | 2025-09-23 |
| 11256210 | Processing cartridge | Qin LUO, Gerning Ding, Likun ZENG, Hui Cao, Miaoling Yang +1 more | 2022-02-22 |
| 9052687 | Image forming device, process cartridge engaged with the same and method for firmly positioning process cartridge in image forming device | — | 2015-06-09 |
| 8670689 | Processing cartridge | Kui Xie, Qingfei Peng | 2014-03-11 |
| 8655232 | Processing cartridge of an electrophotographic image forming system | Jinlian Liu, Qingfei Peng | 2014-02-18 |
| 8626024 | Method for controlling the distance between the photosensitive member and the developing member in a toner cartridge, and the device thereof | Qingfei Peng, Jianxin Cao | 2014-01-07 |
| 8620196 | Toner cartridge with a lock mechanism | Geming Ding, Qingfei Peng | 2013-12-31 |
| 8121516 | Processing cartridge having a retractable handle | Geming Ding | 2012-02-21 |