TREA

Keiji Ahiko

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  • Tsuchiura, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Excavator
    • Patent number D752651
    • Issue date Mar 29, 2016
    • Hitachi Construction Machinery Co., Ltd.
    • Shigehisa Hagura
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Excavator
    • Patent number D752112
    • Issue date Mar 22, 2016
    • Hitachi Construction Machinery Co., Ltd.
    • Shigehisa Hagura
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Excavator
    • Patent number D752113
    • Issue date Mar 22, 2016
    • Hitachi Construction Machinery Co., Ltd.
    • Shigehisa Hagura
    • D15 - Machines not elsewhere specified