Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9933751 | Cartridge support member and image forming apparatus having the same | — | 2018-04-03 |
| 9804557 | Developing device attachable to electrophotographic image forming apparatus | — | 2017-10-31 |
| 9429748 | Weight-balanced polygonal mirror, light scanning unit using the polygonal mirror, and image forming apparatus | Jin-kwon Chun, Jae-hwan Yoo, Won-young Cho, Heon-hee Lim | 2016-08-30 |
| 8854409 | Image forming apparatus having variable developer intervals | Jin-kwon Chun | 2014-10-07 |
| 8711196 | Weight-balanced polygonal mirror, light scanning unit using the polygonal mirror, and image forming apparatus | Jin-kwon Chun, Jae-hwan Yoo, Won-young Cho, Heon-hee Lim | 2014-04-29 |
| 8350882 | Optical unit, image forming apparatus including the same and optical element thereof | — | 2013-01-08 |
| 8330784 | Image forming apparatus having variable developer intervals | Jin-kwon Chun | 2012-12-11 |
| 8237759 | Light scanning unit and image forming apparatus comprising the same | — | 2012-08-07 |