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Kumio Takahashi

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  • Hitachinaka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dust collector
    • Patent number 7,966,691
    • Issue date Jun 28, 2011
    • Hitachi Koki Co., Ltd.
    • Kumio Takahashi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Dust collection device
    • Patent number 7,871,463
    • Issue date Jan 18, 2011
    • Hitachi Koki Co., Ltd.
    • Yoshimasa Hayama
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    DUST COLLECTOR
    • Publication number 20100154161
    • Publication date Jun 24, 2010
    • Kumio Takahashi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Dust Collection Device
    • Publication number 20080229719
    • Publication date Sep 25, 2008
    • HITACHI KOKI CO., LTD.
    • Yoshimasa HAYAMA
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...