Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11201380 | Cavity filter assembly | Sung Bae Park | 2021-12-14 |
| 11196137 | Radio frequency filter | Sung Bae Park, Nam-Shin Park | 2021-12-07 |
| 11108121 | Cavity-type radio frequency filter | Sung Ho JANG | 2021-08-31 |
| D928281 | Resonator of filter | Nam-Shin Park, Sung Ho JANG, Sung Bae Park, Chung Gil Jung | 2021-08-17 |
| 10998603 | Radio frequency filter having cavity structure | — | 2021-05-04 |
| 10957961 | Cavity filter | Duk-Yong Kim, Sung Ho JANG, Dae Eil Jo, Nam-Shin Park | 2021-03-23 |