HO

Hiromi Ohsaka

MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
MC Mitsubishi Mining & Cement Co.: 1 patents #46 of 110Top 45%
Overall (All Time): #3,998,709 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4600417 Cyclone Atsushi Sasaki, Mitsuharu Murakami, Masahiro Harada, Hirofumi Hatano, Yoji Hirota 1986-07-15