TO

Tetsuya Ohrui

SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
📍 Niihama, JP: #299 of 473 inventorsTop 65%
Overall (All Time): #4,110,504 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4199410 Purification of crude acrylic acid Michio Kato, Masami Ayano, Tsunejiro Kawaguchi, Tadashi Abe 1980-04-22