Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10394163 | Toner cartridge with a toner switch assembly | Wenchang Zhou | 2019-08-27 |
| 10203656 | Processing cartridge | Xueyu Rong, Jianxin Cao, Jinlian Liu | 2019-02-12 |
| 9869949 | Toner cartridge with a toner switch assembly | Wenchang Zhou | 2018-01-16 |
| 9785110 | Developing cartridge | Shengyu Wei, Jianxin Cao, Lai Luo, Huashen Lin, Zhongli Yin +2 more | 2017-10-10 |