Issued Patents All Time
Showing 26–50 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7268643 | Apparatus, system and method capable of radio frequency switching using tunable dielectric capacitors | Ken Hersey, Khosro Shamsaifar | 2007-09-11 |
| 7154357 | Voltage tunable reflective coplanar phase shifters | Andrey Kozyrev, Yongfei Zhu | 2006-12-26 |
| 7145415 | Electrically tunable filters with dielectric varactors | Steven Stowell, Yongfei Zhu, Somnath Sengupta, Luna H. Chiu, Xubai Zhang | 2006-12-05 |
| 7056468 | Method for producing low-loss tunable ceramic composites with improved breakdown strengths | Luna H. Chiu, Xubai Zhang | 2006-06-06 |
| 7034636 | Tunable filters having variable bandwidth and variable delay | Khosro Shamsaifar, Yongfei Zhu, John Kvarnstrand | 2006-04-25 |
| 6985050 | Waveguide-finline tunable phase shifter | Andrey Kozyrev | 2006-01-10 |
| 6954118 | Voltage tunable coplanar phase shifters with a conductive dome structure | Andrey Kozyrev, Youngfei Zhu | 2005-10-11 |
| 6903633 | Electronic tunable filters with dielectric varactors | Yongfei Zhu | 2005-06-07 |
| 6876279 | Voltage tunable laminated dielectric materials for a coplanor waveguide | Steven Stowell, Yongfei Zhu, Somnath Sengupta, Luna H. Chiu, Xubai Zhang | 2005-04-05 |
| 6864840 | Serially-fed phased array antennas with dielectric phase shifters | Yongfei Zhu, Andrey Kozyrev, Xubai Zhang | 2005-03-08 |
| 6801102 | Tunable filters having variable bandwidth and variable delay | Khosro Shamsaifar, Yongfei Zhu, John Kvarnstrand | 2004-10-05 |
| 6801104 | Electronically tunable combline filters tuned by tunable dielectric capacitors | Yongfei Zhu, Yu Rong, Kenneth Hersey, Khosro Shamsaifar, Ernest Ekelman | 2004-10-05 |
| 6794960 | Voltage tunable laminated dielectric materials for microwave waveguide applications | Luna H. Chiu, Yongfei Zhu, Xubai Zhang, Steven Stowell, Andrey Kozyrev +1 more | 2004-09-21 |
| 6774077 | Electronically tunable, low-loss ceramic materials including a tunable dielectric phase and multiple metal oxide phases | Xubai Zhang, Luna H. Chiu | 2004-08-10 |
| 6737179 | Electronically tunable dielectric composite thick films and methods of making same | — | 2004-05-18 |
| 6727535 | Ferroelectric varactor with built-in DC blocks | Steven Stowell, Yongfei Zhu, Somnath Sengupta | 2004-04-27 |
| 6686817 | Electronic tunable filters with dielectric varactors | Yongfei Zhu | 2004-02-03 |
| 6686814 | Voltage tunable varactors and tunable devices including such varactors | Luna H. Chiu, Yongfei Zhu, Xubai Zhang, Steven Stowell, Andrey Kozyrev +1 more | 2004-02-03 |
| 6683517 | Voltage tunable laminated dielectric materials for microwave applications such as a coaxial cable | Luna H. Chiu, Yongfei Zhu, Xubai Zhang, Steven Stowell, Andrey Kozyrev +1 more | 2004-01-27 |
| 6683516 | Voltage tunable laminated dielectric materials for microwave applications such as a tunable cavity | Luna H. Chiu, Yongfei Zhu, Xubai Zhang, Steven Stowell, Andrey Kozyrev +1 more | 2004-01-27 |
| 6646522 | Voltage tunable coplanar waveguide phase shifters | Andrey Kozyrev, Youngfei Zhu | 2003-11-11 |
| 6621377 | Microstrip phase shifter | Vitaly Osadchy, Cornelis F. DuToit, Andrey Kozyrev | 2003-09-16 |
| 6603367 | Voltage controlled oscillators including tunable dielectric devices | Douglas Pao | 2003-08-05 |
| 6556102 | RF/microwave tunable delay line | Douglas Pao, Yongfei Zhu | 2003-04-29 |
| 6531936 | Voltage tunable varactors and tunable devices including such varactors | Luna H. Chiu, Yongfei Zhu, Xubai Zhang, Steven Stowell, Andrey Kozyrev +1 more | 2003-03-11 |