Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10886610 | Portable antenna control device and antenna control system | Dong Hun Lee, Ki-Hoon Woo, Yong-Hyo Jeon | 2021-01-05 |
| 10243266 | Portable antenna control device and antenna control system | Dong Hun Lee, Ki-Hoon Woo, Yong-Hyo Jeon | 2019-03-26 |
| 8607709 | Intersection navigation system | Young Hoon Lee | 2013-12-17 |
| 7150825 | Sealing apparatus of fuel filter | — | 2006-12-19 |
| 6239720 | Circuit and method for providing simultaneous transmission of page data in a paging system | Chang-Ho Kim | 2001-05-29 |
| 5209715 | Automatic force generating and control system | Christopher W. Walker, Michael M. Szafranski, Howell Hsiao, Steven Frank | 1993-05-11 |
| D325610 | Physical exerciser | Christopher W. Walker, Michael M. Szafranski, Howell Hsiao | 1992-04-21 |
| 5058888 | Automatic force generating and control system | Christopher W. Walker, Michael M. Szafranski, Howell Hsiao, Steven Frank | 1991-10-22 |