RI

Ryozo Ishimoto

SC Sumitomo Chemical: 1 patents #72 of 256Top 30%
📍 Toyonaka, JP: #23 of 95 inventorsTop 25%
Overall (1982): #32,391 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4326062 Manufacture of polymerized 2,2,4-trimethyl-1,2-dihydroquinoline Takashi Kojima, Eizo Okino 1982-04-20