3 Utility and 7 Design Patents
#158 in Shanghai
#2,632 in China
#36,535 in the World
rank by design patentsForward Citations = 89
Company Filing History:
Shanghai Putao Technology Co., Ltd.
Shanghai Sansi Technology Co. Ltd.
Ii-vi Suwtech, Inc.
4. 1 out of 7
Shanghai Sansi Electronics Engineering Co., Ltd.
5. 1 out of 362

Get your Inventor Badge Today