Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7711290 | Developer agitator increasing electrification rate of developer, and developing apparatus and image forming device having the same | Sang Don Lee | 2010-05-04 |
| 7668489 | Toner path opening and closing apparatus, image forming device having the same and toner path opening and closing method thereof | Dae Ho Kim, Kurgi Eduard, Sung-Wook Kang, Ji-hoon Woo | 2010-02-23 |
| 7620353 | Image forming apparatus and control method for driving the same | — | 2009-11-17 |
| 7174118 | Sludge prevention apparatus of tube member and image forming apparatus having the same | Yoo-hung Jeong | 2007-02-06 |
| 6775500 | Liquid image forming system and method for forming image using the same | — | 2004-08-10 |
| 6459871 | Photosensitive belt cartridge of electrophotographic image forming apparatus and photosensitive belt installation device and method employing same | Yong-su Kim | 2002-10-01 |
| 6434353 | Ink feeding valve of a wet type electrophotographic printer | Kwang-ho No | 2002-08-13 |
| 6314259 | Photoreceptor web for liquid electrophotographic printer | Kee-son Chang | 2001-11-06 |
| 6292642 | Squeegee roller liquid electrophotographic printer | Kee-son Chang | 2001-09-18 |
| 6243553 | Method for cleaning the developer for a liquid electrophotographic printer | Jin Soo Lee, Chang-Soo Lee | 2001-06-05 |
| 6125254 | Ink leakage prevention system for liquid electrophotographic printer having a development tray | Kee-son Chang, Ji-won Seo | 2000-09-26 |
| 6108507 | Ink supplying technique for image forming apparatus | Kee-son Chang | 2000-08-22 |
| 5999778 | Developing device of wet type printer | Kee-son Chang, Wan-ha Kim | 1999-12-07 |
| 5991581 | Development roller cleaning apparatus of liquid electrophotographic printer | Wan-ha Kim, Kee-son Chang | 1999-11-23 |
| 5937250 | Development apparatus with cleaning device for liquid electrophotographic printer | Wan-ha Kim, Kee-son Chang | 1999-08-10 |
| 5915153 | Image printing apparatus | Wan-ha Kim, Kee-son Chang | 1999-06-22 |
| 5907754 | Method for driving development unit for image forming apparatus to simultaneously remove drip lines | Wan-ha Kim, Kee-son Chang | 1999-05-25 |
| 5884127 | Squeeze roller assembly of wet type developer for an electrophotographic printer | Wan-ha Kim, Kee-son Chang | 1999-03-16 |
| 5517296 | Apparatus for dorming a copy of an original image on a sheet of paper | Min Ho Choi, Kyung Hwan Kim, Byeong-sik Cheon | 1996-05-14 |