Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10177736 | Bulk acoustic wave resonator comprising multiple acoustic reflectors | Brice Ivira, Domingo Figueredo | 2019-01-08 |
| 8981876 | Piezoelectric resonator structures and electrical filters having frame elements | Richard C. Ruby | 2015-03-17 |
| 8508315 | Acoustically coupled resonator filter with impedance transformation ratio controlled by resonant frequency difference between two coupled resonators | Alexandre Augusto Shirakawa, Bernhard Koelle | 2013-08-13 |
| 8390397 | Bulk acoustic resonator structure comprising hybrid electrodes | Richard C. Ruby | 2013-03-05 |
| 7855618 | Bulk acoustic resonator electrical impedance transformers | Michael Frank, Richard C. Ruby | 2010-12-21 |
| 7791435 | Single stack coupled resonators having differential output | — | 2010-09-07 |
| 7612636 | Impedance transforming bulk acoustic wave baluns | John D. Larson, III, Richard C. Ruby | 2009-11-03 |
| 7548140 | Bulk acoustic wave (BAW) filter having reduced second harmonic generation and method of reducing second harmonic generation in a BAW filter | Paul Bradley | 2009-06-16 |
| 7501912 | General matching network for acoustic wave filters and acoustic resonators | Paul Bradley, Michael Frank | 2009-03-10 |
| 7391286 | Impedance matching and parasitic capacitor resonance of FBAR resonators and coupled filters | Michael Frank, Paul Bradley | 2008-06-24 |
| 7274268 | Balun with structural enhancements | Michael Wendell Vice, Michael Frank | 2007-09-25 |
| 7107170 | Multiport network analyzer calibration employing reciprocity of a device | Burhan Zaini, David A. Feld | 2006-09-12 |
| 7064555 | Network analyzer calibration employing reciprocity of a device | David A. Feld, Burhan Zaini | 2006-06-20 |
| 6804807 | Method of characterizing an electronic device having unbalanced ground currents | Paul Bradley, David A. Feld | 2004-10-12 |