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Yoshiharu Yokoyama

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  • Iwata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sensor for bicycle with assist engine
    • Patent number 6,213,236
    • Issue date Apr 10, 2001
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yoshiharu Yokoyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Power assisted bicycle
    • Patent number 6,119,801
    • Issue date Sep 19, 2000
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Izumi Yamashita
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Bicycle with assist engine
    • Patent number 5,937,962
    • Issue date Aug 17, 1999
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yoshiharu Yokoyama
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Grant

    Compact power supply and lubricant affording device therefor
    • Patent number 5,212,952
    • Issue date May 25, 1993
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yoshiharu Yokoyama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Outboard motor
    • Patent number 5,197,910
    • Issue date Mar 30, 1993
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Nobuyuki Kanno
    • B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
  • Information Patent Grant

    Fuel supplying system for gas engine
    • Patent number 5,086,748
    • Issue date Feb 11, 1992
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yoshiharu Yokoyama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gas engine
    • Patent number 5,012,781
    • Issue date May 7, 1991
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yoshiharu Yokoyama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Gas powered engine with glow plug ignition
    • Patent number 4,989,573
    • Issue date Feb 5, 1991
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yoshiharu Yokoyama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Cooling device for engine
    • Patent number 4,958,599
    • Issue date Sep 25, 1990
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Yoshiharu Yokoyama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS