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Masazo Beppu

SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
📍 Niihama, JP: #299 of 473 inventorsTop 65%
Overall (All Time): #4,053,724 of 4,157,543Top 100%
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4390736 Process for producing phenols Yasuhiko Inoue, Shigeo Wake, Tamio Sirafuji 1983-06-28