HS

Hidetaka Sada

MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
Overall (All Time): #4,105,906 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4187614 Tracer head Hisanori Abiru, Yoshiaki Nakao, Yoshiaki Imamura 1980-02-12