Issued Patents 2020
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10778188 | Harmonic rejection filter with transimpedence amplifiers | — | 2020-09-15 |
| 10630262 | Filter circuit | Wei Zhuo, Timothy Donald Gathman, Wenbang Xu, Li-Chung Chang, Rui Li | 2020-04-21 |
| 10608601 | Active biquad filter with oscillator circuit | Gary L. Brown | 2020-03-31 |