TREA

Koji Nakajima

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piston for internal combustion engine
    • Patent number 4,955,353
    • Issue date Sep 11, 1990
    • Honda Giken Kogyo Kabushiki Kaisha
    • Atsushi Amataka
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Secondary intake device
    • Patent number 4,548,173
    • Issue date Oct 22, 1985
    • Honda Giken Kogyo Kabushiki Kaisha
    • Toshio Yabumoto
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS