HO

Haruo Okawa

MM Mitsubishi Mining: 1 patents #886 of 2,247Top 40%
Overall (All Time): #3,968,800 of 4,157,543Top 100%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4644896 Lower roll apparatus for single facer Tadashi Hirakawa, Hiroaki Sasashige 1987-02-24