Kouji Ishikawa

Person

  • Niihari-gun, IT

Patents Applicationslast 30 patents

  • Information Patent Application

    Hydraulic drive device

    • Publication number 20070028607
    • Publication date Feb 8, 2007
    • Hitachi Construction Machinery Co., Ltd.
    • Kouji Ishikawa
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING