Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9158269 | Electrophotographic image forming apparatus having a stable connection of a developer cartridge and toner cartridge | Shin-Hyup Kang, Min Su Han | 2015-10-13 |
| 8831442 | Developer and image forming apparatus including the same | Jong-In Kim, Sang Hoon Lee, Won Il Cho, Yoon-tae Lee, Jae Sung Lee | 2014-09-09 |
| 8761635 | Developing device and image forming apparatus having the same | Sang Hoon Lee | 2014-06-24 |
| 8422893 | Developer and image forming apparatus including the same | Jong-In Kim, Sang Hoon Lee, Won Il Cho, Yoon-tae Lee, Jae Sung Lee | 2013-04-16 |
| 8422908 | Developing device and image forming apparatus including the same | Sang Hoon Lee, Jong-In Kim | 2013-04-16 |
| D666665 | Developing device for a laser printer | Sang Hoon Lee | 2012-09-04 |
| D647956 | Developing device for a laser printer | Jong-In Kim, Sang Hoon Lee | 2011-11-01 |
| 7890022 | Cover member, developing cartridge and developing unit for image forming apparatus | Joo-hwan Noh, Jong-moon Eun, Jean-Man Sur | 2011-02-15 |
| 7881624 | Developer cartridge, developing unit and image forming apparatus having the same | Jean-Man Sur, Joo-hwan Noh | 2011-02-01 |
| 7650107 | Developing apparatus and image forming apparatus having the same | — | 2010-01-19 |
| 7643780 | Developing cartridge and image forming apparatus having the same | — | 2010-01-05 |
| 7542701 | Process cartridge and an image forming apparatus having the same | — | 2009-06-02 |
| 7433628 | Photoreceptors, developing cartridge using the same, and image forming apparatus using the same | Young Min Kim | 2008-10-07 |
| 7424243 | Structure for installing developing unit and electrophotographic image forming apparatus with the same | — | 2008-09-09 |
| 7373099 | Image forming apparatus having a cleaning unit and a method thereof | — | 2008-05-13 |
| 7340211 | Cleaning apparatus and image forming apparatus using the same | Joo-hwan Noh | 2008-03-04 |
| 7330679 | Image forming apparatus in which a user may separate a development cartridge from the image forming apparatus | — | 2008-02-12 |
| 7209680 | Process cartridge and an image forming apparatus having the same | — | 2007-04-24 |