FS

Fujio Sakuma

SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
📍 Kisarazu, JP: #76 of 122 inventorsTop 65%
Overall (All Time): #4,090,727 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4271280 Process for producing polyethylene Yasushi Tomura, Seiji Suzuki, Masayuki Shimizu 1981-06-02