HC

Hyuncheol Choi

SC Sumitomo Chemical: 3 patents #1,386 of 4,033Top 35%
📍 Tsukuba, JP: #1,047 of 2,818 inventorsTop 40%
Overall (All Time): #1,603,175 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6706850 Polyether copolymer Yuji Yoshida, Akira Yokota 2004-03-16
6534595 Coating solution for forming porous organic film Yuji Yoshida, Atsushi Sukumoda 2003-03-18
6388044 Polyether resin and coating solution for forming insulation film Yuji Yoshida, Akira Yokota, Sadanobu Iwase 2002-05-14