TREA

Koji Tahara

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  • Shimodate, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Engine cooling apparatus
    • Patent number 6,220,207
    • Issue date Apr 24, 2001
    • Hitachi Construction Machinery Co., Ltd.
    • Koji Kawasaki
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Hydraulic excavator
    • Patent number D437602
    • Issue date Feb 13, 2001
    • Hitachi Construction Machinery Co., Ltd.
    • Kazuhiko Hiraoka
    • D15 - Machines not elsewhere specified