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Kesatsugu Watanabe

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  • Nagano-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Centrifugal fan with waterproof structure
    • Patent number 6,551,074
    • Issue date Apr 22, 2003
    • Sanyo Denki Co., Ltd.
    • Naruhiko Kudo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Watertight brushless fan motor
    • Patent number 6,359,354
    • Issue date Mar 19, 2002
    • Sanyo Denki Co., Ltd.
    • Kesatsugu Watanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Air fan including waterproof structure
    • Patent number 6,158,985
    • Issue date Dec 12, 2000
    • Sanyo Denki Co., Ltd.
    • Michinori Watanabe
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Brushless DC motor and bearing holding therefor
    • Patent number 5,650,678
    • Issue date Jul 22, 1997
    • Sanyo Denki Co., Ltd.
    • Shinjiro Yokozawa
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Centrifugal fan with waterproof structure
    • Publication number 20020025261
    • Publication date Feb 28, 2002
    • Naruhiko Kudo
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...