TREA

Kazuhiko Hiraoka

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Armrest for a working vehicle
    • Patent number D854055
    • Issue date Jul 16, 2019
    • KCM Corporation
    • Kazuhiko Hiraoka
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Hydraulic excavator
    • Patent number D798340
    • Issue date Sep 26, 2017
    • Hitachi Construction Machinery Co., Ltd.
    • Shigehisa Hagura
    • D15 - Machines not elsewhere specified
  • 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
  • Information Patent Grant

    Forklift
    • Patent number D703908
    • Issue date Apr 29, 2014
    • TCM Corporation
    • Kazuhiko Hiraoka
    • D34 - Material or article handling equipment
  • Information Patent Grant

    Wheel loader
    • Patent number D693853
    • Issue date Nov 19, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuhiko Hiraoka
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Portion of cab for construction machine
    • Patent number D689530
    • Issue date Sep 10, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Tomoyuki Miyata
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Portion of a hydraulic excavator
    • Patent number D685009
    • Issue date Jun 25, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Akira Saito
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Portion of a hydraulic excavator
    • Patent number D685008
    • Issue date Jun 25, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Shigehisa Hagura
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Hydraulic excavator
    • Patent number D684599
    • Issue date Jun 18, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Akira Saito
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Weight for a construction machine
    • Patent number D684603
    • Issue date Jun 18, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Shigehisa Hagura
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Hydraulic excavator
    • Patent number D684598
    • Issue date Jun 18, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Shigehisa Hagura
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Hydraulic excavator
    • Patent number D684600
    • Issue date Jun 18, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Akira Saito
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Weight for a construction machine
    • Patent number D684604
    • Issue date Jun 18, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Akira Saito
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Fork lift truck
    • Patent number D681902
    • Issue date May 7, 2013
    • TCM Corporation
    • Kazuhiko Hiraoka
    • D34 - Material or article handling equipment
  • Information Patent Grant

    Hydraulic excavator
    • Patent number D681689
    • Issue date May 7, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Akira Saito
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Hydraulic excavator
    • Patent number D681066
    • Issue date Apr 30, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Akira Saito
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Cover for construction machine
    • Patent number D678918
    • Issue date Mar 26, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Shigehisa Hagura
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Hydraulic excavator
    • Patent number D678354
    • Issue date Mar 19, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuhiko Hiraoka
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Counterweight for construction machine
    • Patent number D678358
    • Issue date Mar 19, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuhiko Hiraoka
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Counterweight for construction machine
    • Patent number D678359
    • Issue date Mar 19, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Shigehisa Hagura
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Hydraulic excavator
    • Patent number D677703
    • Issue date Mar 12, 2013
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuhiko Hiraoka
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Engine cover for construction machine
    • Patent number D660323
    • Issue date May 22, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuhiko Hiraoka
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Hydraulic excavator
    • Patent number D658211
    • Issue date Apr 24, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuhiko Hiraoka
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Engine cover for construction machine
    • Patent number D655320
    • Issue date Mar 6, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuhiko Hiraoka
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Wheel loader
    • Patent number D652062
    • Issue date Jan 10, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuhiko Hiraoka
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Wheel loader
    • Patent number D652061
    • Issue date Jan 10, 2012
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuhiko Hiraoka
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Wheel loader
    • Patent number D549738
    • Issue date Aug 28, 2007
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuhiko Hiraoka
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Cab for construction machinery
    • Patent number 6,450,284
    • Issue date Sep 17, 2002
    • Hitachi Construction Machinery Co., Ltd.
    • Tsuyoshi Sakyo
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING