Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8977162 | Developing device and image forming apparatus including the same | Jong-In Kim, Woong-Yong Choi, Dong Uk Kim | 2015-03-10 |
| 8831474 | Developing device and image forming apparatus including the same | In-cheol Jeon, Woong-Yong Choi, Ki-jae Do, Jun Ho Kim, Sang Jin Park +1 more | 2014-09-09 |
| D706339 | Developing device for a printer | Woong-Yong Choi, Jong Uk Kim | 2014-06-03 |
| D705349 | Developing apparatus for printer | Woong-Yong Choi, Dong Uk Kim | 2014-05-20 |
| 8538297 | Charging apparatus using charging tube and image forming apparatus having the same | In-cheol Jeon, Ki-jae Do, Yong-hoon Lee, Sang Jin Park | 2013-09-17 |
| 8229321 | Image forming apparatus including grounded conductive member | Eun Young KWON | 2012-07-24 |
| 8150276 | Image forming apparatus to adjust driving rate of a supply unit and controlling method of the same | Woo-jung Shim | 2012-04-03 |
| 8010021 | Developing cartridge having a plurality of developers with different material properties and image forming apparatus having the same | — | 2011-08-30 |
| D624583 | Developing device for a color printer | Seung-gweon Lee, Ji-Won Moon, Jin Hyung Lee | 2010-09-28 |