Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8033540 | Image forming apparatus having pick-up roller cover | Jin Soo Lee, Byung-sun Ahn | 2011-10-11 |
| 7887039 | Image forming apparatus | Jin Soo Lee, Byung-sun Ahn, Ki-hun Kim | 2011-02-15 |