Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12393138 | Toner refill cartridge having structure in which driving force is transmitted through toner outlet | Woongyong Choi, Junhui Kim | 2025-08-19 |
| 12282273 | Development device having rotatable wiper wiping optical surface of lens | Jongin Kim, Woongyong Choi, Shinhyup Kang | 2025-04-22 |
| 12271120 | Toner refill cartridge having pump for automatic toner refilling | Shinhyup Kang, Jinhwa Hong, Junhui Kim | 2025-04-08 |