Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8788704 | Sending incoming calling ID to devices after initiation of a call | Henry Yao-Tsu Chen, Jerry Liou, Jeffery A. Sanders, Jiahe Zhuang | 2014-07-22 |
| 8457291 | Universal target button | Edward Leonhardt, Henry Yao-Tsu Chen, Eric Weeren | 2013-06-04 |
| 8411669 | Distributed transcoding on IP phones with idle DSP channels | Henry Yao-Tsu Chen, Robert David Corley, Paul S. Hahn | 2013-04-02 |