Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9360795 | Method of supplying developing unit with toner and image forming apparatus using the same | Chun Sub Ryu | 2016-06-07 |
| 8368953 | Image forming device and method thereof | Gun-Ho Kim, Hyou-jin Kim, Hyo-joon Bae | 2013-02-05 |