YT

Yoshiki Toyoshima

SC Sumitomo Chemical: 27 patents #77 of 4,033Top 2%
📍 Niihama, JP: #21 of 473 inventorsTop 5%
Overall (All Time): #148,105 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 26–27 of 27 patents

Patent #TitleCo-InventorsDate
4404000 Middle and/or heavy distillate composition having good flow property and filterability Sumio Hara, Masaki Nakazyo 1983-09-13
4291148 Process for preparation of a phenolic-polybutadiene-HCHO resin composition useful for laminated sheet Seimei Yasui, Masakazu Sagou, Takanobu Noguchi, Junzo Saito 1981-09-22