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Hiroaki Ogata

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  • Iwata, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Overcurrent protection device
    • Patent number 6,465,983
    • Issue date Oct 15, 2002
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Hiroaki Ogata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power assisted wheelchair
    • Patent number 6,354,390
    • Issue date Mar 12, 2002
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Atsushi Uchiyama
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Wheel chair with auxiliary power
    • Patent number 6,230,831
    • Issue date May 15, 2001
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Hiroaki Ogata
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Electric power-assisted wheelchair
    • Patent number 5,818,189
    • Issue date Oct 6, 1998
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Atsushi Uchiyama
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Control device for direct current electric motor
    • Patent number 5,708,343
    • Issue date Jan 13, 1998
    • Yamaha Hatsudoki Kabushiki Kaisha
    • Nobuo Hara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER