Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9081362 | Image forming apparatus including a fan-motor unit to prevent contamination of a charging unit | Hwan Jin Yoon, Mi Hyun Hwang | 2015-07-14 |
| 9042765 | Image forming apparatus with improved heat transmission | Hwan Jin Yoon, Jeong Jae Seong | 2015-05-26 |
| 8601330 | Device and method for repair analysis | Woo-Sik Jeong, Kang-Chil Lee, Jeong-Ho Cho, Kyoung-Shub Lee, Sungho Kang +1 more | 2013-12-03 |
| 8432758 | Device and method for storing error information of memory | Woo-Sik Jeong, Kang-Chil Lee, Jeong-Ho Cho, Kyoung-Shub Lee, Sungho Kang +1 more | 2013-04-30 |
| 8070153 | Image forming apparatus with cassette and paper sensing device | — | 2011-12-06 |
| 7983599 | Automatic belt tension apparatus of image forming device and method thereof | Ki-Ju Pak, Hyo Jin Lee | 2011-07-19 |
| 7783230 | Transfer unit, image forming apparatus having the same, and method thereof | Jeong Yong Ju, Gyeong-Sun Park | 2010-08-24 |
| 7712734 | Multi-purpose feeder for office automation machinery | — | 2010-05-11 |
| 7693450 | Developing unit and an image forming apparatus including the developing unit | Soo Yong Kim, Byeong-hwa Ahn | 2010-04-06 |
| 7672614 | Driving apparatus, process cartridge and image forming device having the same | Byeong-hwa Ahn | 2010-03-02 |
| 7657207 | Belt driving device, transfer unit using the same and image forming apparatus using the transfer unit | — | 2010-02-02 |
| 7184689 | Developing cartridge having protective cover and image forming apparatus including the same | Heung-sup Jeong, Se-hyun Lyu | 2007-02-27 |
| 7136614 | Duplex printer | Hyo Jin Lee | 2006-11-14 |
| 7113724 | Tandem color image forming device | Ki-Ju Park, Hyo Jin Lee | 2006-09-26 |
| 7010244 | Color electrophotographic printer having photosensitive drum protection device and method of operating same | Ki-Ju Pak, Hyo Jin Lee | 2006-03-07 |
| 6505830 | Output paper stacking device of a printing apparatus and method for completing the same | — | 2003-01-14 |
| 6414253 | Object insertion/separation sensing apparatus | — | 2002-07-02 |
| 6254085 | Paper feeding apparatus for printing device | — | 2001-07-03 |
| 5963341 | Device for changing resolution of facsimile | — | 1999-10-05 |