| 11314182 |
Compensation for scanning line curvature by using imaging lens |
— |
2022-04-26 |
| 11036160 |
Arrangement of vertices of curved surface of imaging lens for correcting scanning line curvature |
— |
2021-06-15 |
| 10120299 |
Light scanning device with lens holder and image forming apparatus |
Han Sung Lee, Jin-kwon Chun, Sung Dae Kim |
2018-11-06 |
| 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, Ho-hyun Hwang |
2016-08-30 |
| 9075339 |
Polygon mirror assembly, light scanning unit employing polygon mirror assembly, and image forming apparatus |
Jae-hwan Yoo, Jin-kwon Chun, Jong-wuk Ku |
2015-07-07 |
| 8922606 |
Rotational polygon mirror having convex reflection surfaces and light scanning unit employing the same |
— |
2014-12-30 |
| 8848014 |
Polygon mirror assembly, light scanning unit employing polygon mirror assembly, and image forming apparatus |
Jae-hwan Yoo, Jin-kwon Chun, Jong-wuk Ku |
2014-09-30 |
| 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, Ho-hyun Hwang |
2014-04-29 |
| 8305673 |
Light scanning unit |
Jong-wuk Ku |
2012-11-06 |
| 8248444 |
Light scanner including lens assembling datums |
— |
2012-08-21 |
