Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7236282 | Polygon mirror and optical scanning apparatus employing the same | — | 2007-06-26 |
| 7160030 | Hydrodynamic bearing and apparatus for driving polygonal mirror using the same | Je-hwan You | 2007-01-09 |
| 6126770 | Method for fabricating a spindle or roller employing a composite material | Dai Gil Lee, Young-Goo Kim, Jin Kyung Choi, Seong Sik Cheon, Durk-hyun Cho | 2000-10-03 |