TREA

Tamotsu Hamanaka

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  • Saitama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Monoblock internal combustion engine
    • Patent number 7,055,485
    • Issue date Jun 6, 2006
    • Brunswick Corporation
    • Richard A. Davis
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Two-cycle internal combustion engine
    • Patent number 4,881,513
    • Issue date Nov 21, 1989
    • Tohatsu Corporation
    • Tamotsu Hamanaka
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS