Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10649379 | CRUM unit mountable in consumable unit of image forming apparatus and image forming apparatus using the same | Chang Keun Seo, Youn-jae Kim | 2020-05-12 |
| 9658644 | CRUM unit mountable in consumable unit of image forming apparatus and image forming apparatus using the same | Chang Keun Seo, Youn-jae Kim | 2017-05-23 |