TC

Takeshi Chonan

SC Sumitomo Metal Mining Co.: 26 patents #12 of 736Top 2%
NC N.E. Chemcat: 2 patents #48 of 136Top 40%
Overall (All Time): #150,139 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #TitleCo-InventorsDate
5217849 Process for making a two-layer film carrier Yoshihiro Hirota, Yuko Kudo 1993-06-08