SS

Shigeru Sakai

SC Sumitomo Metal Mining Co.: 1 patents #4 of 15Top 30%
📍 Fujisawa, WA: #2 of 3 inventorsTop 70%
Overall (1989): #56,968 of 140,708Top 45%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4845068 Catalysts for hydrotreating hydrocarbons and method of activating the same Yasuhito Takahashi, Yoshimasa Inoue 1989-07-04