Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11333997 | Developer cartridge being capable of adjusting inside volume thereof | Dong Uk Kim, Jeong-Sup Sim | 2022-05-17 |
| 11294302 | Developer cartridge with spring auger | Seung-Chan Park, Dong Uk Kim | 2022-04-05 |