TREA

Shin Hiraoka

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  • Hiroshima, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Engine construction
    • Patent number 4,643,137
    • Issue date Feb 17, 1987
    • Mazda Motor Corporation
    • Masahiro Choushi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Breather device in internal combustion engine
    • Patent number 4,603,673
    • Issue date Aug 5, 1986
    • Mazda Motor Corporation
    • Shin Hiraoka
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS