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Takahiro Fujimaki

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  • Hitachinaka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Centrifuge
    • Patent number 7,548,034
    • Issue date Jun 16, 2009
    • Hitachi Koki Co., Ltd.
    • Hiroyuki Takahashi
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Belt driven centrifugal separator with multi-stage, belt deteriorat...
    • Patent number 7,372,219
    • Issue date May 13, 2008
    • Hitachi Koki Co., Ltd.
    • Takahiro Fujimaki
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Centrifugal separator with a plurality of shafts
    • Patent number 7,104,944
    • Issue date Sep 12, 2006
    • Hitachi Koki Co., Ltd.
    • Takahiro Fujimaki
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Motor control apparatus
    • Patent number 6,204,627
    • Issue date Mar 20, 2001
    • Hitachi Koki Co. Ltd.
    • Shinji Watanabe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor control system for centrifugal machine
    • Patent number 5,731,681
    • Issue date Mar 24, 1998
    • Hitachi Koki Co., Ltd.
    • Masahiro Inaniwa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Centrifugal apparatus having series-implemented protection means
    • Patent number 5,649,893
    • Issue date Jul 22, 1997
    • Hitachi Koki Co., Ltd.
    • Masahiro Inaniwa
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Grant

    Motor control system for centrifugal machine
    • Patent number 5,608,301
    • Issue date Mar 4, 1997
    • Hitachi Koki Co., Ltd.
    • Masahiro Inaniwa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    CENTRIFUGE
    • Publication number 20070138988
    • Publication date Jun 21, 2007
    • Hiroyuki TAKAHASHI
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...
  • Information Patent Application

    Belt driven centrifugal separator with multi-stage, belt deteriorat...
    • Publication number 20070075667
    • Publication date Apr 5, 2007
    • Takahiro Fujimaki
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Centrifugal separator
    • Publication number 20050153823
    • Publication date Jul 14, 2005
    • Takahiro Fujimaki
    • B04 - CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL...