TREA

Ei Takahashi

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  • Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Portion of a counterweight for construction machine
    • Patent number D969173
    • Issue date Nov 8, 2022
    • Hitachi Construction Machinery Co., Ltd.
    • Atsushi Ninomiya
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Excavator
    • Patent number D915470
    • Issue date Apr 6, 2021
    • Hitachi Construction Machinery Co., Ltd.
    • Atsushi Ninomiya
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Seat for operator cab for construction machine
    • Patent number D857755
    • Issue date Aug 27, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Atsushi Ninomiya
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Air conditioning duct cover with monitor for construction machine
    • Patent number D856379
    • Issue date Aug 13, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Atsushi Ninomiya
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Console box for construction machine
    • Patent number D856381
    • Issue date Aug 13, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Atsushi Ninomiya
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Console box for construction machine
    • Patent number D856380
    • Issue date Aug 13, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Atsushi Ninomiya
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Cab for construction machine
    • Patent number D854587
    • Issue date Jul 23, 2019
    • Hitachi Construction Machinery Co., Ltd.
    • Atsushi Ninomiya
    • D15 - Machines not elsewhere specified