6 Utility Patents
#3,194 in Shanghai
#20,160 in China
#670,336 in the World
Forward Citations = 0
Company Filing History:
Tongji University

Tsi Group Limited
4. 1 out of 3
Tsi Group Co., Ltd.
5. 1 out of 1
Shanghai Municipal Engineering Design Institute (group) Co., Ltd.
where one patent can have more than one assignee
Get your Inventor Badge Today