Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11366407 | Structure to refill toner to development cartridge mounted in main body | Yong-Kwan Cho, Jiwon Moon, Woongyong Choi, Yongil Moon, Yongnam Ahn +1 more | 2022-06-21 |
| 11281125 | Toner refill cartridge with structure for preventing toner discharging part from being blocked by weight part | Woong-Yong Choi, Jinhwa Hong, Ji-Won Moon | 2022-03-22 |
| 11231662 | Shutter structure for toner refill cartridge | Woongyong Choi | 2022-01-25 |