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Kazuhiko Hiraoka

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  • Kodaira, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Construction machine
    • Patent number 9,309,644
    • Issue date Apr 12, 2016
    • Hitachi Construction Machinery, Co. Ltd.
    • Tsuyoshi Ueki
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Cover for construction machine
    • Patent number D693857
    • Issue date Nov 19, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuhiko Hiraoka
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Hydraulic excavator
    • Patent number D692028
    • Issue date Oct 22, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuhiko Hiraoka
    • D15 - Machines not elsewhere specified

Patents Applicationslast 30 patents

  • Information Patent Application

    CONSTRUCTION MACHINE
    • Publication number 20150176247
    • Publication date Jun 25, 2015
    • Hitachi Construction Machinery Co., Ltd.
    • Tsuyoshi Ueki
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING