8 Utility and 2 Design Patents
#2,484 in Shanghai
#15,919 in China
#514,027 in the World
rank by utility patentsForward Citations = 16
Company Filing History:

Ddp Specialty Electronic Materials Us, LLC

4. 1 out of 546
Wuhan Tianma Micro-electronics Co., Ltd
5. 1 out of 4,570

where one patent can have more than one assignee
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