18 Utility and 3 Design Patents
#2,567 in Beijing
#6,451 in China
#195,099 in the World
rank by utility patentsForward Citations = 193
Company Filing History:


Beijing Ling Technology Co., Ltd.
4. 2 out of 832,540 patents
Other
5. 1 out of 797

where one patent can have more than one assignee
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