YM

Yoshito Miyasaka

SC Sumitomo Coal Mining Co.: 1 patents #2 of 13Top 20%
Overall (2003): #86,388 of 273,478Top 35%
1
Patents 2003

Issued Patents 2003

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6515250 Electric joining method and apparatus and a joined unit of members Masao Tokita, Hitoshi Karasawa, Fumitake Nishiyama 2003-02-04