TREA

Keiko Kurokawa

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  • Gunma, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric device with air cleaning function
    • Patent number 8,702,850
    • Issue date Apr 22, 2014
    • Sanyo Electric Co., Ltd.
    • Daisuke Suzuki
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Air filtering apparatus having foreign material removing mechanism
    • Patent number 7,850,769
    • Issue date Dec 14, 2010
    • Sanyo Electric Co., Ltd.
    • Kazuo Takahashi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Grant

    Water treating apparatus
    • Patent number 6,905,580
    • Issue date Jun 14, 2005
    • Sanyo Electric Co., LTD
    • Keiko Kurokawa
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
  • Information Patent Grant

    Foot warm bath equipment
    • Patent number 6,827,849
    • Issue date Dec 7, 2004
    • Sanyo Electric Co., LTD
    • Keiko Kurokawa
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Air blower apparatus
    • Patent number 4,876,070
    • Issue date Oct 24, 1989
    • Sanyo Electric Co., Ltd.
    • Hitoshi Tsukahara
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRIC DEVICE WITH AIR CLEANING FUNCTION
    • Publication number 20110179951
    • Publication date Jul 28, 2011
    • Daisuke Suzuki
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    AIR FILTERING APPARATUS HAVING FOREIGN MATERIAL REMOVING MECHANISM
    • Publication number 20080017039
    • Publication date Jan 24, 2008
    • Sanyo Electric Co., Ltd.
    • Kazuo Takahashi
    • F24 - HEATING RANGES VENTILATING
  • Information Patent Application

    Foot warm bath equipment
    • Publication number 20040010845
    • Publication date Jan 22, 2004
    • SANYO ELECTRIC CO., LTD.
    • Keiko Kurokawa
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Application

    Water treating apparatus
    • Publication number 20030116430
    • Publication date Jun 26, 2003
    • SANYO ELECTRIC CO., LTD.
    • Keiko Kurokawa
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE