Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8312284 | Verifiable timestamping of data objects, and applications thereof | — | 2012-11-13 |
| 8286227 | Enhanced multi-factor authentication | — | 2012-10-09 |
| 8280451 | Notification of event by mobile communications device using radio frequency transmitter | Zhi Weng | 2012-10-02 |
| 8150429 | Cost-effective voting | — | 2012-04-03 |