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Kouiti Sagawa

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum Cleaner
    • Patent number 5,214,822
    • Issue date Jun 1, 1993
    • Hitachi, Ltd.
    • Hidetoshi Sakurai
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Electric cleaner, method for producing same and mount base and bump...
    • Patent number 5,144,716
    • Issue date Sep 8, 1992
    • Hitachi, Ltd.
    • Syuji Watanabe
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner
    • Patent number 5,134,749
    • Issue date Aug 4, 1992
    • Hitachi, Ltd.
    • Hidetoshi Sakurai
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner
    • Patent number 5,131,114
    • Issue date Jul 21, 1992
    • Hitachi, Ltd.
    • Masao Sunagawa
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...