TREA

Kenji Kawamoto

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  • Hiroshima, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Power shovel
    • Patent number D681070
    • Issue date Apr 30, 2013
    • Kobelco Construction Machinery Co., Ltd.
    • Hironori Tsukamoto
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Counterweight for construction machine
    • Patent number D680136
    • Issue date Apr 16, 2013
    • Kobelco Construction Machinery Co., Ltd.
    • Hironori Tsukamoto
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Power shovel
    • Patent number D680137
    • Issue date Apr 16, 2013
    • Kobelco Construction Machinery Co., Ltd.
    • Hironori Tsukamoto
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Power shovel
    • Patent number D679734
    • Issue date Apr 9, 2013
    • Kobelco Construction Machinery Co., Ltd.
    • Hironori Tsukamoto
    • D15 - Machines not elsewhere specified