RI

Ryozo Ishimoto

SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
📍 Toyonaka, JP: #733 of 1,166 inventorsTop 65%
Overall (All Time): #4,068,538 of 4,157,543Top 100%
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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