Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9614494 | Reactance filter comprising acoustic waves resonators | Ralph Durner, Ravi Challa, Aleh Loseu | 2017-04-04 |
| 9577302 | RF filter circuit, RF filter with improved attenuation and duplexer with improved isolation | Ravi Challa, Bhavya Adepu, Chandra Sekhar Reddy Kaipa, Ralph Durner | 2017-02-21 |
| 9294065 | Reactance filter comprising suppression in the stop band and duplexer component | Tobias Krems, Ravi Challa | 2016-03-22 |
| 4673901 | Electrical filter operating with acoustic waves | Ekkehard Ehrmann-Falkenau, Richard Veith | 1987-06-16 |