Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9797442 | Fuel consumption reduction apparatus using variable pre-load of vehicle bearing | — | 2017-10-24 |
| 9644674 | Bearing variable preload system utilizing gap between strokes for preload adjustment and elastic deformation of sealing member | — | 2017-05-09 |
| 8335200 | Device and method for separation/conversion of multiband signal | Yong-Duck CHUNG, Kwang-Seong Choi, Jae-Sik Sim, Yong-Hwan Kwon, Je Ha Kim | 2012-12-18 |