KO

Katsumasa Ohtake

SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
📍 Kanmaki, JP: #75 of 125 inventorsTop 60%
Overall (All Time): #4,105,268 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4185959 Method for dyeing hydrophobic fiber material with disperse dye Kunihiko Imada, Taizo Ohshima, Sanae Sakaguchi 1980-01-29