Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7343181 | Wireless communication device having electromagnetic compatibility for hearing aid devices | Yiu K. Chan, Joselito C. Gavilan | 2008-03-11 |
| 6636132 | Dielectric filter | Chul-Ho Kim, Sang Jun Park | 2003-10-21 |
| 6169465 | Duplexer dielectric filter | Chul-Ho Kim, Sang Jun Park | 2001-01-02 |