NK

Nobumasa Kemori

SC Sumitomo Metal Mining Co.: 1 patents #4 of 15Top 30%
📍 Niihama, JP: #19 of 47 inventorsTop 45%
Overall (1989): #72,918 of 140,708Top 55%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4848754 Flash smelting furnace Yasuo Ojima, Yasuhiro Kondo 1989-07-18