HJ

Hirofumi Jyohoji

SC Sumitomo Chemical: 1 patents #2,469 of 4,033Top 65%
Overall (All Time): #3,818,001 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5189124 Process for producing .alpha.-olefin polymers Toshio Sasaki, Takeshi Ebara, Kooji Mizunuma, Kiyoshi Kawai 1993-02-23