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Hiroshi Kawakami

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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum cleaner
    • Patent number 5,182,833
    • Issue date Feb 2, 1993
    • Matsushita Electric Industrial Co., Ltd.
    • Seiji Yamaguchi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Dust detector for vacuum cleaner
    • Patent number 5,163,202
    • Issue date Nov 17, 1992
    • Matsushita Electric Industrial Co. Ltd.
    • Hiroshi Kawakami
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner and method of determining type of floor surface bein...
    • Patent number 5,144,715
    • Issue date Sep 8, 1992
    • Matsushita Electric Industrial Co., Ltd.
    • Tadashi Matsuyo
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Suction pipe for a vacuum cleaner
    • Patent number 5,042,108
    • Issue date Aug 27, 1991
    • Matsushita Electric Industrial Co., Ltd.
    • Shuji Yamazumi
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Floor nozzle for vacuum cleaner
    • Patent number 5,029,361
    • Issue date Jul 9, 1991
    • Matsushita Electric Industrial Co., Ltd.
    • Yoshitaka Murata
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Floor nozzle of a vacuum cleaner
    • Patent number 4,964,190
    • Issue date Oct 23, 1990
    • Matsushita Electric Industrial Co., Ltd.
    • Yoshitaka Murata
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Floor nozzle for electric cleaner
    • Patent number 4,901,394
    • Issue date Feb 20, 1990
    • Matsushita Electric Industrial Co., Ltd.
    • Kazuo Nakamura
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Vacuum cleaner
    • Patent number 4,463,473
    • Issue date Aug 7, 1984
    • Matsushita Electric Industrial Co., Ltd.
    • Seiichi Nakada
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Upright vacuum cleaner
    • Patent number 4,446,595
    • Issue date May 8, 1984
    • Matsushita Electric Industrial Co., Ltd.
    • Seiichi Nakada
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...