8 Utility Patents
#267 in Nanjing
#16,629 in China
#521,303 in the World
Forward Citations = 5
Company Filing History:
China University of Mining and Technology
State Grid Jiangsu Electric Power Company Nanjing Power Supply Company
Dongnan Elevator Co, Ltd
4. 1 out of 2
State Grid Jiangsu Electric Power Co., Ltd Nanjing Power Supply Company
5. 1 out of 72
Hohai University
where one patent can have more than one assignee
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