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DZ
Dehai ZHANG
ED
Empire Technology Development
: 1 patents #66 of 149
Top 45%
Overall (2018):
#436,298
of 503,207
Top 90%
1
Patents 2018
Issued Patents
2018
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Patent #
Title
Co-Inventors
Date
9959307
Automatic question sorting
Jun Fang
,
Degang Zhang
2018-05-01
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