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Ritsuo Nishimura

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  • Urawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Built-in generator for bicycle
    • Patent number 5,115,159
    • Issue date May 19, 1992
    • Bridgestone Cycle Co., Ltd.
    • Kikuzo Takamiya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Stepless speed change device
    • Patent number 4,920,827
    • Issue date May 1, 1990
    • Bridgestone Cycle Co., Ltd.
    • Kikuzo Takamiya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Foldable bicycle frame
    • Patent number 4,579,360
    • Issue date Apr 1, 1986
    • Bridgestone Cycle Co., Ltd.
    • Ritsuo Nishimura
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS