Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11070174 | Quadrature combined doherty amplifiers | Aleksey A. Lyalin, Philip John Lehtola, Weimin Sun | 2021-07-20 |
| 10931253 | Cascaded filter circuit with hybrid acoustic LC filter | Hai H. Ta, Weimin Sun, Dogan Gunes | 2021-02-23 |
| 10892715 | Wideband power combiner and splitter | Aleksey A. Lyalin, Weimin Sun, Philip John Lehtola | 2021-01-12 |