YW

Yuanqi Wu

CM China Banknote Printing And Minting: 1 patents #14 of 31Top 50%
SS Sicpa Holding Sa: 1 patents #166 of 301Top 60%
ZC Zhongchao Special Security Technology Co.: 1 patents #14 of 19Top 75%
Overall (All Time): #2,979,251 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9844969 Optically variable security threads and stripes Gebhard Ritter, Raynald Demange, Pierre Degott, Zhongdong Ye, Fangyi Sun +2 more 2017-12-19