Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11600457 | Button switch | Shuhua Men | 2023-03-07 |
| 11402797 | Process cartridge | — | 2022-08-02 |
| D796573 | Toner cartridge | Zhengguang Li | 2017-09-05 |
| D772336 | Toner cartridge | Wugang Tan | 2016-11-22 |
| 9442424 | Developing cartridge for laser printer comprising a stirring wheel and an activation mechanism | Qile Wang | 2016-09-13 |