Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9429748 | Weight-balanced polygonal mirror, light scanning unit using the polygonal mirror, and image forming apparatus | Jin-kwon Chun, Won-young Cho, Heon-hee Lim, Ho-hyun Hwang | 2016-08-30 |
| 9075339 | Polygon mirror assembly, light scanning unit employing polygon mirror assembly, and image forming apparatus | Heon-hee Lim, Jin-kwon Chun, Jong-wuk Ku | 2015-07-07 |
| 8848014 | Polygon mirror assembly, light scanning unit employing polygon mirror assembly, and image forming apparatus | Heon-hee Lim, 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, Won-young Cho, Heon-hee Lim, Ho-hyun Hwang | 2014-04-29 |
| 7746372 | Beam deflector, light scanning unit and image forming apparatus having the same | — | 2010-06-29 |
| 7466332 | Light scanning unit | — | 2008-12-16 |
| 7450287 | Optical scanning device and method for detecting synchronization signal | Hyeong-chae Kim | 2008-11-11 |
| 7348549 | Light scanning apparatus | — | 2008-03-25 |
| 7253938 | Laser scanning apparatus | — | 2007-08-07 |
| 7247841 | Light scanning apparatus | — | 2007-07-24 |
| 7195163 | Laser scanning unit | — | 2007-03-27 |
| 7173746 | Multi-beam scanning apparatus | Hyung-Soo Kim | 2007-02-06 |
| 7151556 | Sub-scanning interval adjusting apparatus for multi-beam scanning unit | — | 2006-12-19 |
| 7050083 | Sub-scanning interval adjusting apparatus for multi-beam laser scanning unit | — | 2006-05-23 |
| 5933382 | Semiconductor memory device including a redundant memory cell circuit which can reduce a peak current generated in a redundant fuse box | Chul-Woo Yi, Hoon Choi | 1999-08-03 |
| 5894356 | Color separation apparatus having RGB color filters and a three-line CCD sensor | — | 1999-04-13 |