SK

Sadakatsu Kumoi

TC Toyo Soda Manufacturing Co.: 1 patents #10 of 48Top 25%
📍 Nanyo, JP: #7 of 17 inventorsTop 45%
Overall (1989): #59,287 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4845297 Process for producing polyamines Keiji Mitarai, Yukihiro Tsutsumi 1989-07-04