Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6864743 | Microwave amplifier with bypass segment | — | 2005-03-08 |
| 6859177 | Four port hybrid microstrip circuit of Lange type | — | 2005-02-22 |
| 6636126 | Four port hybrid | — | 2003-10-21 |
| 6115594 | Frequency converter used in a microwave system | Doo-Hun Choi, Soon-Chul Jeong | 2000-09-05 |