Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D772336 | Toner cartridge | Wenyi Fan | 2016-11-22 |
| 9274454 | Chip contact mechanism and developer cartridge | Xiaofeng Yang, Congyu Qiu | 2016-03-01 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D772336 | Toner cartridge | Wenyi Fan | 2016-11-22 |
| 9274454 | Chip contact mechanism and developer cartridge | Xiaofeng Yang, Congyu Qiu | 2016-03-01 |