Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6788271 | Helical antenna manufacturing apparatus and method thereof | Ki-Duk Koo, Hyung Jong Kim | 2004-09-07 |
| 6023251 | Ceramic chip antenna | Ki-Duk Koo, Jae Suk Sung, Woo Sung Lee | 2000-02-08 |