Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8126381 | Transfer apparatus and image forming device having the same | — | 2012-02-28 |
| 7711295 | Toner cartridge having control board mounted therein and electrophotographic image forming apparatus using the same | Sam-seok Choi | 2010-05-04 |
| 7693447 | Developing device having improved sealing structure | Seung Yoon Lee | 2010-04-06 |
| 7570903 | Toner cartridge having control board mounted therein and electrophotographic image forming apparatus using the same | Sam-seok Choi | 2009-08-04 |
| 7542714 | Used toner collecting device and an image forming apparatus having the same | Yong Sung Kim, Hae-seog Jo | 2009-06-02 |
| 7395016 | Toner cartridge having control board mounted therein and electrophotographic image forming apparatus using the same | Sam-seok Choi | 2008-07-01 |
| 7209679 | Method for controlling oxidation catalyst device of wet-type electrophotographic image forming apparatus | Hyou-jin Kim | 2007-04-24 |
| D538850 | Container for toner of printer | Sam-seok Choi, Hae-seog Jo | 2007-03-20 |
| 7149454 | Liquid electrophotography printer having exhaust system with oxidative catalyst filter | Kyung-yol Yon, Young No, Kwang-ho No, Joong-hwan Choi | 2006-12-12 |
| 7116924 | Delivery unit and method with a carrier vapor collection duct and a carrier purifier using the same | Geun-yong Park, Kwang-ho No | 2006-10-03 |
| 7079784 | Wet type electrophotographic image forming apparatus and method for controlling oxidation catalyst device thereof | Hyou-jin Kim | 2006-07-18 |
| 7027752 | Wet-type electrophotographic printer with photocatalystic filter | Kyung-yol Yon, Joong-hwan Choi | 2006-04-11 |
| 6996352 | Gas exhausting apparatus for wet electrophotographic image forming device and method thereof | Joong-hwan Choi | 2006-02-07 |
| 6951703 | Liquid developer for developing latent electrostatic image and method for preparing the same | Seong-joon Chae, Kyung-yol Yon, Joong-hwan Choi | 2005-10-04 |
| 6850724 | Liquid developing unit using high density ink | Young No, Kwang-ho No | 2005-02-01 |
| 6778799 | Liquid electrophotographic image forming apparatus using non-volatile ink carrier | Kyu-cheol Shin, In-yong Song | 2004-08-17 |
| 6618568 | Image fusing unit of liquid electrophotographic printer | Dong Hwan KANG | 2003-09-09 |
| 6496674 | Carrier recovery apparatus of liquid electrophotographic printer | Yong-geun Kim, Un-ho Baik | 2002-12-17 |
| 6363600 | Method of removing photosensitive belt from printer | — | 2002-04-02 |
| 6343203 | Image banding reduction method of photoreceptor medium of indirect transfer type image forming apparatus | — | 2002-01-29 |
| 6233415 | Belt cartridge in a printing apparatus | — | 2001-05-15 |
| 6188858 | Roller driving apparatus of printer | John P. Swapceinski | 2001-02-13 |
| 6055396 | Laser printer having a distance and tension controller | — | 2000-04-25 |