Issued Patents 2018
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10042992 | Image based CAPTCHA challenges | Wei-Liang Liu, Vinay Damodar Shet, Ying Liu, Aaron Malenfant, Haidong Shao +2 more | 2018-08-07 |
| 10044725 | Controlling access to online resources using device validations | Aaron Malenfant, Haidong Shao, Jason Fedor, Wei-Liang Liu, Hongshu Liao +1 more | 2018-08-07 |
| 10026180 | Using multiple image verification challenges to determine object location in an image | Ying Liu, Aaron Malenfant | 2018-07-17 |