Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11031664 | Waveguide band-pass filter | Jianming Chang | 2021-06-08 |
| 6232853 | Waveguide filter having asymmetrically corrugated resonators | — | 2001-05-15 |
| 6169466 | Corrugated waveguide filter having coupled resonator cavities | — | 2001-01-02 |