Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9666939 | Antenna bandwidth expander | Sun-Ki Kim, In-Yeup Song | 2017-05-30 |
| 6806834 | Multi band built-in antenna | — | 2004-10-19 |
| 6549167 | Patch antenna for generating circular polarization | — | 2003-04-15 |
| 6542124 | Surface mounted chip antenna | — | 2003-04-01 |