9 Utility and 4 Design Patents
#2,381 in Shenzhen
#14,344 in China
#455,458 in the World
rank by utility patentsForward Citations = 75
Company Filing History:

Peking Union Medical College Hospital
Chinese Academy of Medical Sciences
4. 1 out of 894

5. 1 out of 213
Sintai Optical (shenzhen) Co., Ltd.
where one patent can have more than one assignee
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