TREA

Tetsuyuki Hirano

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Operator cabin of power shovel
    • Patent number D463807
    • Issue date Oct 1, 2002
    • Komatsu Ltd.
    • Masatake Tamaru
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Operator's seat for construction machinery
    • Patent number D463459
    • Issue date Sep 24, 2002
    • Komatsu Ltd.
    • Masatake Tamaru
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Power shovel
    • Patent number D462973
    • Issue date Sep 17, 2002
    • Komatsu Ltd.
    • Masatake Tamaru
    • D15 - Machines not elsewhere specified