HK

Hitoshi Karasawa

SC Sumitomo Coal Mining Co.: 1 patents #2 of 4Top 50%
Overall (2005): #189,817 of 245,428Top 80%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6899265 Electric joining method and apparatus and a joined unit of members Yoshito Miyasaka, Masao Tokita, Fumitake Nishiyama 2005-05-31