CZ

Changhui Zhang

AC Act: 2 patents #2 of 14Top 15%
📍 Ottawa, CA: #136 of 815 inventorsTop 20%
Overall (2020): #183,792 of 565,922Top 35%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10706734 Methods for improving test efficiency and accuracy in a computer adaptive test (CAT) Lisa Gawlick, Nancy Petersen, Lingyun Gao 2020-07-07
10529245 Methods for improving test efficiency and accuracy in a computer adaptive test (CAT) Lisa Gawlick, Nancy Petersen, Lingyun Gao, Wugen Dai 2020-01-07