Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6239768 | Dual band retractable antenna system with capacitive coupling | Jeong-Kun Oh, Kyung Min Lee, Choong-Ki Cho, Jung Mi Park | 2001-05-29 |
| 5969684 | Capacitive coupled extendable antenna for portable communication devices | Jung Kun Oh, Kyung Min Lee, Choong-Ki Cho, Jung Mi Park | 1999-10-19 |