60 Utility and 3 Design Patents
#636 in Beijing
#1,250 in China
#27,302 in the World
rank by utility patentsForward Citations = 62
Company Filing History:



4. 4 out of 12
Beijing Ak Medical Co., Ltd.
5. 4 out of 5
Beijing Ql Biopharmaceutical Co., Ltd.
where one patent can have more than one assignee
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