MT

Masahiko Tatsuma

SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
📍 Ibaraki, JP: #4,343 of 6,779 inventorsTop 65%
Overall (All Time): #3,633,537 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6146430 Asymmetric dioxazine compound and method for dyeing or printing fiber Material using the same Junichi Sekihachi 2000-11-14