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Hirohiko Maekawa

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  • Gunma-ken, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cooling fan
    • Patent number 8,342,808
    • Issue date Jan 1, 2013
    • Mitsuba Corporation
    • Hidetake Ota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Drainage structure of fan motor
    • Patent number 5,929,544
    • Issue date Jul 27, 1999
    • Mitsuba Corporation
    • Hirohiko Maekawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Casing structure for motor
    • Patent number 5,216,306
    • Issue date Jun 1, 1993
    • Mitsuba Electric Manufacturing Co., Ltd.
    • Yasuaki Nakazawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Waterproof structure for fan motor
    • Patent number 5,071,322
    • Issue date Dec 10, 1991
    • Mitsuba Electric Manufacturing Co., Ltd.
    • Hirohiko Maekawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    COOLING FAN
    • Publication number 20100068060
    • Publication date Mar 18, 2010
    • Hidetake Ota
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...