Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10027310 | Low-loss tunable radio frequency filter | Balam A. Willemsen | 2018-07-17 |
| 9787283 | Low-loss tunable radio frequency filter | Balam A. Willemsen | 2017-10-10 |
| 9647627 | Low-loss tunable radio frequency filter | Balam A. Willemsen | 2017-05-09 |
| 9647628 | Low-loss tunable radio frequency filter | Balam A. Willemsen | 2017-05-09 |
| 9621126 | Bulk acoustic resonator device including temperature compensation structure comprising low acoustic impedance layer | Dariusz Burak, Qiang Zou | 2017-04-11 |
| 9281800 | Resonator filter device having narrow pass-band | — | 2016-03-08 |
| 9135388 | Radio frequency filter | Balam A. Willemsen | 2015-09-15 |
| 9129080 | Low-loss tunable radio frequency filter | Balam A. Willemsen | 2015-09-08 |
| 8922294 | Low-loss tunable radio frequency filter | Balam A. Willemsen | 2014-12-30 |
| 8797120 | Low-loss tunable radio frequency filter | Balam A. Willemsen | 2014-08-05 |
| 8063714 | Low-loss tunable radio frequency filter | Balam A. Willemsen | 2011-11-22 |
| 7924114 | Electrical filters with improved intermodulation distortion | Balam A. Willemsen | 2011-04-12 |
| 7894867 | Zig-zag array resonators for relatively high-power HTS applications | George L. Matthaei, Balam A. Willemsen, Eric M. Prophet | 2011-02-22 |
| 7863999 | Low-loss tunable radio frequency filter | Balam A. Willemsen | 2011-01-04 |
| 7825743 | Systems and methods for tuning filters | Matthew Hernandez, Balam A. Willemsen | 2010-11-02 |
| 7719382 | Low-loss tunable radio frequency filter | Balam A. Willemsen | 2010-05-18 |
| 7639101 | Low-loss tunable radio frequency filter | Balam A. Willemsen | 2009-12-29 |
| 7482890 | Automated systems and methods for tuning filters by using a tuning recipe | Matthew Hernandez, Balam A. Willemsen | 2009-01-27 |
| 7181259 | Resonator having folded transmission line segments and filter comprising the same | Shen Ye | 2007-02-20 |
| 6496710 | Signal filter having circularly arranged resonators | — | 2002-12-17 |
| 6450034 | Method and apparatus for measuring and adjusting resonance frequency of resonators | Masanobu Suzuki | 2002-09-17 |
| 6329824 | Method of measuring resonant frequency of a resonator and coupling degree of two resonators | Masanobu Suzuki | 2001-12-11 |
| 6313722 | Filter having resonant frequency adjusted with dielectric layer | Masanobu Suzuki | 2001-11-06 |
| 6130591 | Band-pass filter comprising series coupled split gap resonators arranged along a circular position line | — | 2000-10-10 |