MH

Masakazu Haga

HC Hitachi Construction Machinery Co.: 1 patents #15 of 62Top 25%
📍 Ibaraki, JP: #235 of 769 inventorsTop 35%
Overall (2002): #162,785 of 266,432Top 65%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

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