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Kentaro Oba

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wheel balance weight and a method of manufacturing the same
    • Patent number 6,260,929
    • Issue date Jul 17, 2001
    • Topy Koygo Kabushiki Kaisha
    • Kentaro Oba
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Wheel balance weight
    • Patent number 6,250,721
    • Issue date Jun 26, 2001
    • Topy Kogyo Kabushiki Kaisha
    • Kentaro Oba
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...