Issued Patents All Time
Showing 26–50 of 94 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7706738 | Paper discharge device and image forming apparatus having the same | — | 2010-04-27 |
| 7699306 | Paper picking-up unit and image forming apparatus having the same | Kwang-taek Lim | 2010-04-20 |
| 7697853 | Image forming apparatus in which a toner is substituted according to relative amounts of toners and method of controlling the same | — | 2010-04-13 |
| 7593146 | Image scanning device with cleaning unit | Dong-ha Choi, Ho-ill Hyun | 2009-09-22 |
| 7545400 | Image forming apparatus and method of controlling top margin of printing medium in image forming apparatus | — | 2009-06-09 |
| 7450898 | Multi-functional peripheral device | Sea-chul Bae, Dong-Ha Chol, Sung Won Kim | 2008-11-11 |
| 7450893 | Electrophotographic color image forming apparatus having a plurality of transfer rollers | Jong-moon Eun | 2008-11-11 |
| 7437118 | Image forming apparatus with printing medium guide | In-cheol Jeon, Douk-soon Cha | 2008-10-14 |
| 7391989 | Electrophotographic image forming apparatus | Young Min Kim, Sang-cheol Park | 2008-06-24 |
| 7356285 | Image forming apparatus and a driving method for the same having concurrently stopping motors | Young Min Kim, Sang-cheol Park | 2008-04-08 |
| 7355834 | Cover unit of a substrate for an image forming apparatus and method | Sang-cheol Park, Young Min Kim | 2008-04-08 |
| 7319837 | Developing unit and electrophotographic image forming apparatus having the same | — | 2008-01-15 |
| 7315709 | Image forming apparatus having main and sub-image forming units and method of using apparatus | Young Min Kim, Sang-cheol Park | 2008-01-01 |
| 7308227 | Paper arranging apparatus and electrophotographic image forming apparatus including the same | — | 2007-12-11 |
| 7292803 | Developing unit having foldable handle and image forming apparatus having the same | Joo-hwan Noh, Yong-kon Jo | 2007-11-06 |
| 7242889 | Image forming apparatus | Yong-kon Jo, Joo-hwan Noh | 2007-07-10 |
| 7215911 | Image forming apparatus having subsidiary charge roller | Young Min Kim, Sang-cheol Park | 2007-05-08 |
| 7197258 | Developing cartridge and an electrophotographic image forming apparatus having the same | Sang-cheol Park, Young Min Kim | 2007-03-27 |
| 7174115 | Electrophotographic image forming apparatus | — | 2007-02-06 |
| 7139506 | Multi-function office product | Sang-cheol Park, Young Min Kim | 2006-11-21 |
| 7103300 | Process cartridge for image forming apparatus | Young Min Kim, Sang-sheol Park | 2006-09-05 |
| 7085513 | Multi-function office apparatus | Young Min Kim, Sang-cheol Park | 2006-08-01 |
| 6918585 | Paper conveyance guiding apparatus for duplex printer | — | 2005-07-19 |
| 6892040 | Cooling apparatus of an image forming apparatus | Dong Woo Kim, Jung-gee Baek | 2005-05-10 |
| 6810224 | Driving apparatus and method for a double-side printable machine | — | 2004-10-26 |