Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9285750 | Image forming apparatus | Jae Young Jang | 2016-03-15 |
| 8787816 | Image forming apparatus | Jae Young Jang | 2014-07-22 |
| 8705112 | Method and apparatus for controlling color registration sensors | Yoon-seop Eom | 2014-04-22 |
| 8412090 | Image forming apparatus | Jae Young Jang | 2013-04-02 |
| 8325384 | Method and apparatus for controlling color registration sensors | Yoon-seop Eom | 2012-12-04 |
| 8036590 | Image forming apparatus | Jae Young Jang | 2011-10-11 |
| 7933040 | Method and apparatus for controlling color registration sensors | Yoon-seop Eom | 2011-04-26 |
| 6771911 | Apparatus for and method of controlling toner density | — | 2004-08-03 |
| 5950037 | Image forming apparatus with power conservation in accordance with ambient light | — | 1999-09-07 |
| 5845171 | Technique for controlling developing voltage of image forming device | — | 1998-12-01 |
| 5839026 | Method of controlling charge voltage of image forming apparatus using electrophotographic developing process | — | 1998-11-17 |
| 5822651 | Transfer voltage adjusting device | Gwang-Pyo Yim | 1998-10-13 |
| 5805962 | Auxiliary charging device of electrophotography printing apparatus | — | 1998-09-08 |
| 5793935 | Paper saving apparatus for use in an image forming system | — | 1998-08-11 |
| 5661550 | Method and apparatus for detecting a width of a printing medium manually fed to an image forming apparatus | — | 1997-08-26 |
| 5587770 | Device for detecting remaining level of toner | Hae-seog Jo, Dong-Ho Lee | 1996-12-24 |
| 5579088 | Image forming apparatus having programmable developer cartridge | — | 1996-11-26 |
| 5457766 | Fan speed control circuit | — | 1995-10-10 |
| 5373141 | Fusing temperature control circuit | — | 1994-12-13 |