Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9020404 | Developing unit containing multiple supply rollers and image forming apparatus using the same | Jin Hong Kim, Young Su Lee, Yun-kyu Sim | 2015-04-28 |
| 8983341 | Developing device and electrophotographic image forming apparatus including the same | Ji-Won Moon, Dong-Kyu Lee | 2015-03-17 |
| 8923736 | Developing unit and image forming apparatus employing the same | Jin Hong Kim, Young Su Lee, Yun-kyu Sim | 2014-12-30 |
| 8670690 | Process cartridge and image forming apparatus having the same | Ho-jin Jang, Yun-kyu Sim, Sung Han Kim, Ji-Won Moon | 2014-03-11 |
| D692945 | Toner cartridge for a printer | Ji-Won Moon, Young-chae Kim, Jin Hong Kim, Jong-Hwa Park, Hyung-seok Chang +3 more | 2013-11-05 |
| D692944 | Toner cartridge for a printer | Ji-Won Moon, Young-chae Kim, Jin Hong Kim, Jong-Hwa Park, Hyung-seok Chang +3 more | 2013-11-05 |
| 8457524 | Developing cartridge, image forming apparatus, and method of mounting/demounting developing cartridge to/from image forming apparatus | Yong-ju Cheon | 2013-06-04 |
| 8295731 | Developing cartridge and image forming apparatus including the same | — | 2012-10-23 |
| 8213838 | Developing apparatus, image forming apparatus having the same, and developer supplying method for a developing apparatus | Jong-moon Eun, Jean-Man Sur | 2012-07-03 |
| 8155558 | Developing cartridge, image forming apparatus having the same, and printing method for an image forming apparatus | Jong-moon Eun, Jean-Man Sur | 2012-04-10 |
| 8081900 | Developing apparatus and image forming apparatus having the same | — | 2011-12-20 |
| 8055155 | Image forming apparatus with developing device support structure | — | 2011-11-08 |
| 7890022 | Cover member, developing cartridge and developing unit for image forming apparatus | Dae-seob Kweon, Jong-moon Eun, Jean-Man Sur | 2011-02-15 |
| 7881624 | Developer cartridge, developing unit and image forming apparatus having the same | Dae-seob Kweon, Jean-Man Sur | 2011-02-01 |
| 7783229 | Detachable developer having development unit supported at three positions | — | 2010-08-24 |
| 7778571 | Manufacturing method of developing unit, developing unit, and image forming device | Young Min Kim | 2010-08-17 |
| 7761030 | Developing unit having foldable handle and image forming apparatus having the same | Byung-sun Ahn, Yong-kon Jo | 2010-07-20 |
| 7751745 | Developing apparatus, image forming apparatus having the same, and assembling method of a developing apparatus | Yong-ju Cheon | 2010-07-06 |
| 7664431 | Photoconductive drum driving gear device usable with image forming apparatus | Kyung-hwan Jang | 2010-02-16 |
| D600276 | Developing device for printer | Yong-ju Cheon, Jin Hong Kim | 2009-09-15 |
| 7570914 | Image forming apparatus and a paper feeding apparatus for the same | Hyun-Ho Kim | 2009-08-04 |
| 7437094 | Image forming apparatus having a gap regulating mechanism to regulate a gap between a photosensitive drum and a developing roller | — | 2008-10-14 |
| 7406275 | Detachable developer capable of maintaining nip | — | 2008-07-29 |
| 7340211 | Cleaning apparatus and image forming apparatus using the same | Dae-seob Kweon | 2008-03-04 |
| 7292803 | Developing unit having foldable handle and image forming apparatus having the same | Byung-sun Ahn, Yong-kon Jo | 2007-11-06 |