Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6756943 | Retractable/extendable antenna unit having a conductive tube in a portable radiophone | Seong-Beom Hong | 2004-06-29 |
| 6727770 | Multi-band voltage controlled oscillator circuit | Seong-Beom Hong | 2004-04-27 |