31 Utility and 1 Design Patents
#27 in Chengdu
#3,250 in China
#87,018 in the World
rank by utility patentsForward Citations = 57
Company Filing History:

Other
Xi'an Yep Telecommunication Technology, Ltd.
4. 3 out of 306
University of Electronic Science and Technology of China
5. 2 out of 312
Southwest Petroleum University
where one patent can have more than one assignee
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