Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8422915 | Developer cartridge, developing device, and image forming apparatus having the same | Sam-seok Choi, Seung-gweon Lee, Jong-moon Eun | 2013-04-16 |
| 8315544 | Image forming apparatus including developer contact media having nano-scale roughness | Jong-moon Eun, Cheol-soo Yang | 2012-11-20 |
| 8224218 | Redistributing unit, developing device and image forming apparatus having the same | Jae-bum Yoo | 2012-07-17 |
| 8213838 | Developing apparatus, image forming apparatus having the same, and developer supplying method for a developing apparatus | Joo-hwan Noh, Jong-moon Eun | 2012-07-03 |
| 8155558 | Developing cartridge, image forming apparatus having the same, and printing method for an image forming apparatus | Joo-hwan Noh, Jong-moon Eun | 2012-04-10 |
| 8073355 | Memory, toner cartridge, developing device and image forming apparatus having the same | Seung-gweon Lee, Sam-seok Choi | 2011-12-06 |
| 7890022 | Cover member, developing cartridge and developing unit for image forming apparatus | Dae-seob Kweon, Joo-hwan Noh, Jong-moon Eun | 2011-02-15 |
| 7881624 | Developer cartridge, developing unit and image forming apparatus having the same | Dae-seob Kweon, Joo-hwan Noh | 2011-02-01 |
| 7715751 | Cleaning apparatus, and transfer unit and image forming apparatus including the same | Ho-Dong Kim | 2010-05-11 |
| 7480468 | Apparatus for detecting developer level in developing unit | Joong-gwang Shin, Ki-Ju Pak | 2009-01-20 |
| 7389076 | Belt transfer device and image forming apparatus having the same | Joong-gwang Shin | 2008-06-17 |