HY

Hiroshi Yoshioka

SC Sumitomo Chemical: 1 patents #72 of 256Top 30%
Overall (1982): #58,158 of 81,411Top 75%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4337326 Process for producing propylene-ethylene block copolymers Akinobu Shiga, Masahiro Kakugo, Hajime Sadatoshi, Kazuki Wakamatsu 1982-06-29