13 Utility and 11 Design Patents
#1,467 in Shanghai
#9,410 in China
#295,883 in the World
rank by utility patentsForward Citations = 102
Company Filing History:

Shanghai Huayi Acrylic Acid Co., Ltd.
Shanghai Huayi New Material Co., Ltd.
4. 2 out of 832,398 patents
Other
5. 1 out of 755
Shanghai Tianma Micro-electronics Co., Ltd.
where one patent can have more than one assignee
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