Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11209754 | Structure for selectively locking toner inlet shutter of toner refill portion | Min-Chul Lee, Jiwon Moon, Woongyong Choi | 2021-12-28 |
| 11067917 | Detecting completion of injection of toner of toner refill cartridge | Jinhwa Hong | 2021-07-20 |