YT

Yasushi Tomura

SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
Overall (All Time): #4,090,726 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 Fujio Sakuma, Seiji Suzuki, Masayuki Shimizu 1981-06-02