TREA

Toyoji Negi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Planetary gear of automatic transmission
    • Patent number 5,052,991
    • Issue date Oct 1, 1991
    • Aisin-Aw Kabushiki Kaisha
    • Kozo Yamaguchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...