Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8942599 | Image forming apparatus | Tae Hee Kim | 2015-01-27 |
| 8824914 | Safety system for image forming apparatus having expendable developing unit | Byeong-hwa Ahn | 2014-09-02 |
| 8594529 | Transfer unit engagement assembly of an image forming apparatus | — | 2013-11-26 |
| 8355651 | Image forming apparatus | Sung Kyun Lee, Myoung Sub Jang | 2013-01-15 |
| 7835666 | Image forming apparatus and power transmission unit thereof | Se-min Kim, Byung-sun Ahn, Byeong-hwa Ahn | 2010-11-16 |
| 7787803 | Image forming apparatus having controller to selectively control plurality of driving sources | Byung-sun Ahn, Kyung-shig Chung, Byeong-hwa Ahn, Soo Yong Kim | 2010-08-31 |
| 7449708 | Paper detection apparatus and printing method | Seock-deock Hong | 2008-11-11 |
| 7302218 | Image forming apparatus with constant conveying velocity | Byeong-hwa Ahn, Soo Yong Kim | 2007-11-27 |