Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7738933 | Varactor tuning for a narrow band filter having shunt capacitors with different capacitance values | Yongming Zhang, Brian Moeckly | 2010-06-15 |
| 7317364 | Varactor tuning for a narrow band filter including an automatically controlled tuning system | Yongming Zhang, Brian Moeckly | 2008-01-08 |
| 7117025 | Varactor tuning for a narrow band filter | Yongming Zhang, Brian Moeckly | 2006-10-03 |
| 6529750 | Microstrip filter cross-coupling control apparatus and method | Dawei Zhang, Ji-Fuh Liang | 2003-03-04 |
| 6438394 | Frequency dependent inductor apparatus and method for a narrow-band filter | Dawei Zhang, Guo-Chun Liang | 2002-08-20 |