Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661374 | Base transceiver station having multibeam controllable antenna system | Duk-Yong Kim, Young-Chan Moon, Yong-Sup Kil | 2003-12-09 |
| 6504450 | Signal process apparatus for phase-shifting N number of signals inputted thereto | Duk-Yong Kim, Gyu-Sang Hwang, In-Young Lee, Sang-Wook Bang, Chang-Yun Seo +4 more | 2003-01-07 |