27 Utility Patents
#1,672 in Beijing
#3,913 in China
#108,083 in the World
Forward Citations = 21
Company Filing History:
China University of Mining and Technology
Other

4. 2 out of 2
Manchao He
5. 2 out of 2
Beijing Zhongkuang Innovation Alliance Energy Environment Science Academy
where one patent can have more than one assignee
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