SO

Shuji Ohira

HC Hitachi Construction Machinery Co.: 1 patents #701 of 1,234Top 60%
📍 Tsukuba, JP: #1,768 of 2,818 inventorsTop 65%
Overall (All Time): #3,553,390 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6430490 Hydraulic circuit control device of construction machinery Hiroshi Watanabe, Kazuo Fujishima, Hiroshi Ogura, Masakazu Haga, Sadahisa Tomita 2002-08-06