Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7158631 | Efficient echo cancellation techniques | Huaiyu Zeng | 2007-01-02 |
| 7078912 | Techniques to test signal propagation media | — | 2006-07-18 |
| 7013226 | Reflectometer with echo canceller | Amod V. Dandawate, Xiao-Feng Qi | 2006-03-14 |