Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7911722 | Composition for forming prism layer and prism film manufactured using the same | Chang Kun Kim, Jong Min Park | 2011-03-22 |
| 7903997 | Coupling apparatus and image forming apparatus employing the same | Jin Yang, Sang Woon Lee, Eun-sang Park | 2011-03-08 |
| 7848693 | Endless belt type fusing device and image forming apparatus employing the same | Eun-sang Park, Kyung-shig Chung | 2010-12-07 |
| 7540251 | Apparatus and methods for treating ballast water by using electrolysis of natural seawater | Kwang-Il Kim, Young D. Kim, Heung-Rak Kim | 2009-06-02 |
| 7486906 | Electrophotographic printer having removable photosensitive drum unit | Heung-sup Jeong, Se-hyun Lyu, Byeong-hwa Ahn, Young Min Yoon, Jae Myoung Choi +2 more | 2009-02-03 |
| 7483048 | Apparatus for fixing shaft of cartridge and image forming device having the same | Se-hyun Lyu, Heung-sup Jeong | 2009-01-27 |
| 7336916 | Electrophotographic image forming apparatus | Heung-sup Jeong, Se-hyun Lyu | 2008-02-26 |
| 7321381 | Image forming apparatus and contamination prevention member for use therein | Heung-kyu Jang, Se-hyun Lyu | 2008-01-22 |
| 7289749 | Electrophotographic printer | Se-hyun Lyu, Heung-sup Jeong, Byeong-hwa Ahn, Young Min Yoon, Jae Myoung Choi +2 more | 2007-10-30 |
| 7272341 | Electrophotographic image forming apparatus | Heung-sup Jeong, Se-hyun Lyu | 2007-09-18 |
| 7110712 | Foreign substance prevention unit to protect electro-photographic printer from foreign substances | Young Min Yoon, Byeong-hwa Ahn, Se-hyun Lyu | 2006-09-19 |
| 7082281 | Electrophotographic printer having movable pre-transfer erasing unit | Heung-sup Jeong, Byeong-hwa Ahn, Se-hyun Lyu, Young Min Yoon, Jae Myoung Choi +2 more | 2006-07-25 |
| 7076187 | Electrophotographic printer | Heung-sup Jeong, Se-hyun Lyu, Jae Myoung Choi, Jin Soo Lee, Young Min Yoon +2 more | 2006-07-11 |
| 7054578 | System to replace a photosensitive unit and a transfer unit and a printer having the system | Heung-sup Jeong, Byeong-hwa Ahn, Kyung-shig Chung | 2006-05-30 |
| 6873819 | Wasted toner storing apparatus of an image forming apparatus having a rotating dispersing member | Byeong-hwa Ahn, Young Min Yoon | 2005-03-29 |
| 6694113 | Ink delivery system and ink delivery method of liquid -type electrophotographic printer | Geun-yong Park, Hyun-seong Shin, Hyong-gu Lee, Yong-su Kim | 2004-02-17 |
| 6275670 | Liquid electrophotographic printer having exhaust device | Min Su CHO | 2001-08-14 |