FN

Fumitake Nishiyama

SC Sumitomo Coal Mining Co.: 2 patents #2 of 13Top 20%
Overall (All Time): #2,180,629 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6899265 Electric joining method and apparatus and a joined unit of members Yoshito Miyasaka, Masao Tokita, Hitoshi Karasawa 2005-05-31
6515250 Electric joining method and apparatus and a joined unit of members Yoshito Miyasaka, Masao Tokita, Hitoshi Karasawa 2003-02-04