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Kazuhiro Kubota

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Upright-type electric vacuum cleaner
    • Patent number 5,003,663
    • Issue date Apr 2, 1991
    • Hitachi, Ltd.
    • Masao Sunagawa
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Upright-type electric vacuum cleaner
    • Patent number 4,905,341
    • Issue date Mar 6, 1990
    • Hitachi, Ltd.
    • Masao Sunagawa
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Upright-type electric vacuum cleaner
    • Patent number 4,893,376
    • Issue date Jan 16, 1990
    • Hitachi, Ltd.
    • Masao Sunagawa
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner having a blower facility structure
    • Patent number 4,809,394
    • Issue date Mar 7, 1989
    • Hitachi, Ltd.
    • Hisao Suka
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...