Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6653917 | High-temperature superconductor low-pass filter for suppressing broadband harmonics | Kwang Yong Kang, Seok Kil Han, Min Hwan Kwak | 2003-11-25 |
| 6567648 | System combining radio frequency transmitter and receiver using circulator and method for canceling transmission signal thereof | Jun Seok Park, Jong-Chul Park, Chul Sang Yoon, Won Jun Kwak | 2003-05-20 |