HJ

Hirofumi Jyohouji

SC Sumitomo Chemical: 4 patents #1,124 of 4,033Top 30%
Overall (All Time): #1,296,355 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5258474 Process for producing .alpha.-olefin polymer Toshio Sasaki, Takeshi Ebara, Kiyoshi Kawai 1993-11-02
5215951 Process for producing .alpha.-olefin polymer Toshio Sasaki, Takeshi Ebara, Kiyoshi Kawai 1993-06-01
5134104 Liquid catalyst component, catalyst system containing said component and process for producing ethylene-.alpha.-olefin copolymer using said catalyst system Toshio Sasaki, Yoshihiro Miyoshi, Takeshi Ebara, Kiyoshi Kawai 1992-07-28
5039766 Liquid catalyst component, catalyst system containing said component and process for producing ethylene-alpha-olefin copolymer using said catalyst system Toshio Sasaki, Yoshihiro Miyoshi, Takeshi Ebara, Kiyoshi Kawai 1991-08-13