Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9256169 | Image forming apparatus and method of initializing and cleaning a transfer roller therin | Won-chul Jung, Gun-Ho Kim, Myung-ho Kyung | 2016-02-09 |
| 8824004 | Image forming apparatus controlling performance of a functional printing and image forming method thereof | Myung-ho Kyung, Jeong Hwan Kim | 2014-09-02 |
| 8660447 | Multi-pass image forming apparatus having voltage divider | Ki-jae Do | 2014-02-25 |
| 7983576 | Image forming apparatus having function to control developer exhausting amount and image forming method thereof | — | 2011-07-19 |
| 6917770 | Charging voltage controller of image forming apparatus | Ui-choon Lee, Su-jong Jeong | 2005-07-12 |
| 6029024 | Device and method for controlling transfer voltage in an electrophotographic recording apparatus | — | 2000-02-22 |