Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10706734 | Methods for improving test efficiency and accuracy in a computer adaptive test (CAT) | Changhui Zhang, Nancy Petersen, Lingyun Gao | 2020-07-07 |
| 10529245 | Methods for improving test efficiency and accuracy in a computer adaptive test (CAT) | Changhui Zhang, Nancy Petersen, Lingyun Gao, Wugen Dai | 2020-01-07 |