Issued Patents 2004
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6801104 | Electronically tunable combline filters tuned by tunable dielectric capacitors | Yongfei Zhu, Yu Rong, Kenneth Hersey, Khosro Shamsaifar, Ernest Ekelman | 2004-10-05 |
| 6801102 | Tunable filters having variable bandwidth and variable delay | Khosro Shamsaifar, Yongfei Zhu, John Kvarnstrand | 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 |
| 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 |
| 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 |