| 8831474 |
Developing device and image forming apparatus including the same |
Jong-hwa Joo, In-cheol Jeon, Woong-Yong Choi, Jun Ho Kim, Sang Jin Park +1 more |
2014-09-09 |
| 8660447 |
Multi-pass image forming apparatus having voltage divider |
Byoung-chul Bae |
2014-02-25 |
| 8577265 |
Developing device usable with image forming apparatus and developer delivery device thereof including a plurality of rotatable delivery members |
Ji-Won Moon, In-cheol Jeon |
2013-11-05 |
| 8538297 |
Charging apparatus using charging tube and image forming apparatus having the same |
In-cheol Jeon, Jong-hwa Joo, Yong-hoon Lee, Sang Jin Park |
2013-09-17 |
| 8280274 |
Roller, developing unit and image forming apparatus having the same, and method of manufacturing roller |
Hee-Won Jung, Tae Hyun Kim |
2012-10-02 |
| 8139988 |
Developing device of image forming apparatus |
Ji-Won Moon, Seung-gweon Lee |
2012-03-20 |
| 8032061 |
Electrophotographic image forming apparatus having transparent toner and white toner |
Jong Woo Park, Won-hee Choe |
2011-10-04 |
| 7941078 |
Electrophotographic image forming apparatus having transparent toner |
Hyun-wook Bae |
2011-05-10 |
| 7831175 |
Developer cartridge guide unit and image forming apparatus having the same |
Ji-Won Moon |
2010-11-09 |
| 7221881 |
Image forming apparatus controlling charge of toner and method thereof |
— |
2007-05-22 |
| 7058334 |
Electro-photographic image forming apparatus having a function for preventing toner for scattering and control method for the same |
Jeong-seon Kim, In-cheol Jeon, Valery KrasnosloBoditsev |
2006-06-06 |
| 7039333 |
Developing device having developing gap detecting function |
— |
2006-05-02 |
| 6839536 |
Toner layer regulating member and developing device using the same |
— |
2005-01-04 |
| 5867750 |
Device for adjusting toner concentration of printed image in an image forming apparatus using electrophotographic developing process |
— |
1999-02-02 |
| 5809367 |
Method of automatically controlling transfer voltage and fusing temperature in an electrophotographic printing apparatus |
Young S. Yoo |
1998-09-15 |
