Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |