Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11250479 | Content item impression effect decay | Yifang Liu, Christopher K. Harris | 2022-02-15 |
| 10726453 | Content item impression effect decay | Yifang Liu, Christopher K. Harris | 2020-07-28 |
| 9767489 | Content item impression effect decay | Yifang Liu, Christopher K. Harris | 2017-09-19 |
| 9697474 | Classification system | Yifang Liu, Samuel Sze Ming Ieong, Roberto J. Bayardo | 2017-07-04 |