ST

Shuji Tsukahara

MC Mitsubishi Gas Chemical Company: 1 patents #1,048 of 1,727Top 65%
VJ Victor Company Of Japan: 1 patents #818 of 1,489Top 55%
Overall (All Time): #3,851,325 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5116547 Method of coloring polycarbonate extruded or molded products for optical members Toshikazu Umemura, Kazuyoshi Ichise 1992-05-26