Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9600653 | Providing time ratio-based password/challenge authentication | Yun-Ling Hilary Cheng, Min-Tsung Wu, Tony Ping-Chung Yang | 2017-03-21 |
| 8826029 | Providing time ratio-based password/challenge authentication | Yun-Ling Hilary Cheng, Min-Tsung Wu, Tony Ping-Chung Yang | 2014-09-02 |