6 Utility Patents
#155 in Xi'an
#22,300 in China
#695,132 in the World
Forward Citations = 5
Company Filing History:
Other
Xi'an University of Technology
Shaanxi University of Science and Technology
4. 1 out of 16

5. 1 out of 1
Hui Cheng
where one patent can have more than one assignee
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