TREA

Nihon Software Approach Co., Ltd.

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  • Urawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Circularly-curved piston engine
    • Patent number 6,349,679
    • Issue date Feb 26, 2002
    • Nihon Software Approach Co., Ltd.
    • Hayami Mashimo
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS