Issued Patents 2025
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12393138 | Toner refill cartridge having structure in which driving force is transmitted through toner outlet | Woongyong Choi, Yongnam Ahn | 2025-08-19 |
| 12393157 | Rotational force transmission structure | Seungchan Park, Youngkwang Shin | 2025-08-19 |
| 12346058 | Process cartridge with toner receiving unit along pivot axis of development unit | Sanghoon Lee, Donguk Kim | 2025-07-01 |
| 12271120 | Toner refill cartridge having pump for automatic toner refilling | Shinhyup Kang, Yongnam Ahn, Jinhwa Hong | 2025-04-08 |