Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9521364 | Ambulatory presence features | Christian Huitema, William A. S. Buxton, Zicheng Liu, Rajesh K. Hegde, Zhengyou Zhang +3 more | 2016-12-13 |
| 8941710 | Ambulatory presence features | Christian Huitema, William A. S. Buxton, Zicheng Liu, Rajesh K. Hegde, Zhengyou Zhang +3 more | 2015-01-27 |