Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6963255 | Power splitter | Wei Zheng, Igor Lumelskiy | 2005-11-08 |
| 6917796 | Triple balanced mixer | Daxiong Ji | 2005-07-12 |
| 6784521 | Directional coupler | Wei Zheng, Igor Lumelskiy | 2004-08-31 |
| 6542047 | Ninety degree splitter with at least three windings on a single core | Lu-Min Chen, Daxiong Ji | 2003-04-01 |