SM

Susumu Murakami

FC Furukawa Rock Drill Co.: 1 patents #1 of 5Top 20%
📍 Osaka, NY: #10 of 18 inventorsTop 60%
Overall (2019): #257,125 of 560,194Top 50%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10493610 Hydraulic hammering device Masahiro Koizumi, Toshio Matsuda, Tomohiro Goto, Shunsuke Echigoya 2019-12-03