TREA

Toshimi Kumasaki

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  • Kobe, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Method of manufacturing multiribbed belts
    • Patent number 4,931,118
    • Issue date Jun 5, 1990
    • Mitsuboshi Belting Ltd.
    • Koji Kitahama
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Power transmission belt
    • Patent number 4,904,232
    • Issue date Feb 27, 1990
    • Mitsuboshi Belting, Ltd.
    • Koji Kitahama
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Timing belt with controlled friction backside ribs
    • Patent number 4,702,729
    • Issue date Oct 27, 1987
    • Mitsuboshi Belting Ltd.
    • Hiroyuki Tanaka
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...