HI

Hiroshi Ishiyama

SI Sumitomo Heavy Industries: 2 patents #5 of 55Top 10%
Overall (2019): #167,619 of 560,194Top 30%
2
Patents 2019

Issued Patents 2019

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10337538 Shovel Eisuke Matsuzaki, Koichiro Tsukane 2019-07-02
10233613 Shovel and method of driving shovel Keiji Honda 2019-03-19