XS

Xie Sun

ES Educational Testing Service: 1 patents #7 of 34Top 25%
Overall (2016): #181,811 of 481,213Top 40%
1
Patents 2016

Issued Patents 2016

Patent #TitleCo-InventorsDate
9262941 Systems and methods for assessment of non-native speech using vowel space characteristics Lei Chen, Keelan Evanini 2016-02-16