MH

Masaya Hisada

FC Furukawa Rock Drill Co.: 1 patents #1 of 3Top 35%
MM Mitsubishi Materials: 1 patents #34 of 125Top 30%
Overall (2011): #227,340 of 364,097Top 65%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7942216 Drill rod, drill bit, and drilling tool Masahiro Koizumi, Takashi Suzuki 2011-05-17