25 Utility and 16 Design Patents
#1,853 in Beijing
#4,350 in China
#121,813 in the World
rank by utility patentsForward Citations = 305
Company Filing History:
Beijing Eryiju Technology Co., Ltd


4. 6 out of 26,407

5. 3 out of 398
China University of Petroleum
where one patent can have more than one assignee
Get your Inventor Badge Today