15 Utility Patents
#187 in Hong Kong
#8,120 in China
#248,912 in the World
Forward Citations = 3
Company Filing History:

Other
Yunnan Minzu University
4. 1 out of 1
Shanghai University of Traditional Chinese
5. 1 out of 1
Changshu Hkbu Technology Company Limited
where one patent can have more than one assignee
Get your Inventor Badge Today