Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7437118 | Image forming apparatus with printing medium guide | Byung-sun Ahn, In-cheol Jeon | 2008-10-14 |
| 7185747 | One-way power transmission unit, a fusing unit driving apparatus for duplex printer using the same, a method for one way power transmission, and a method for driving a fusing unit | — | 2007-03-06 |
| 6892042 | Coupling apparatus, development cartridge and electrophotographic printer having the same | Kyung-hwan Jang, Byeong-hwa Ahn | 2005-05-10 |