KS

Kohichi Sugawara

DK Denki Kagaku Kogyo: 1 patents #1 of 24Top 5%
📍 Arao, JP: #1 of 6 inventorsTop 20%
Overall (1982): #47,624 of 81,411Top 60%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4340577 Process for producing carbon black Isamu Matsui, Naoki Ishimaru, Teruhiro Ikegami 1982-07-20