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Tomoyoshi Yokota

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  • Hitachinaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Portable cutter
    • Patent number 9,101,993
    • Issue date Aug 11, 2015
    • Hitachi Koki Co., Ltd.
    • Tomoyoshi Yokota
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Electric tool having electric motor with first and second coils hav...
    • Patent number 7,605,513
    • Issue date Oct 20, 2009
    • Hitachi Koki Co., Ltd.
    • Hideyuki Tanimoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power tool
    • Patent number 7,517,276
    • Issue date Apr 14, 2009
    • Hitachi Koki Co., Ltd.
    • Shinji Kuragano
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Commutator motor
    • Patent number 7,508,109
    • Issue date Mar 24, 2009
    • Hitachi Koki Co., Ltd.
    • Tomoyoshi Yokota
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric motor and electric tool having the motor
    • Patent number 7,449,810
    • Issue date Nov 11, 2008
    • Hitachi Koki Co., Ltd.
    • Tomoyoshi Yokota
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Commutator motor
    • Patent number 7,368,843
    • Issue date May 6, 2008
    • Hitachi Koki Co., Ltd.
    • Tomoyoshi Yokota
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electrical tool
    • Patent number 7,355,316
    • Issue date Apr 8, 2008
    • Hitachi Koki Co. Ltd.
    • Tomoyoshi Yokota
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power tool
    • Patent number 7,330,006
    • Issue date Feb 12, 2008
    • Hitachi Koki Co., Ltd.
    • Kazutaka Iwata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Commutator motor
    • Patent number 7,064,467
    • Issue date Jun 20, 2006
    • Hitachi Koki Co., Ltd.
    • Tomoyoshi Yokota
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Stator for a commutator motor
    • Patent number 6,555,938
    • Issue date Apr 29, 2003
    • Hitachi Koki Co., Ltd.
    • Tomoyoshi Yokota
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    HANDHELD POWER TOOL
    • Publication number 20220389727
    • Publication date Dec 8, 2022
    • Koki Holdings Co., Ltd.
    • Yuuki EBISAWA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Portable Cutter
    • Publication number 20100043768
    • Publication date Feb 25, 2010
    • Tomoyoshi Yokota
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    POWER TOOL
    • Publication number 20070212990
    • Publication date Sep 13, 2007
    • Shinji KURAGANO
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Commutator motor
    • Publication number 20070114866
    • Publication date May 24, 2007
    • Tomoyoshi Yokota
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Commutator motor
    • Publication number 20070013252
    • Publication date Jan 18, 2007
    • Tomoyoshi Yokota
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Power tool
    • Publication number 20060255756
    • Publication date Nov 16, 2006
    • Kazutaka Iwata
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Electrical tool
    • Publication number 20060250044
    • Publication date Nov 9, 2006
    • Tomoyoshi Yokota
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Commutator motor
    • Publication number 20060131982
    • Publication date Jun 22, 2006
    • Tomoyoshi Yokota
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Electric motor and electric tool having the motor
    • Publication number 20060125344
    • Publication date Jun 15, 2006
    • Tomoyoshi Yokota
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Electric motor, electric tool having the motor, and electric motor...
    • Publication number 20050168095
    • Publication date Aug 4, 2005
    • Hideyuki Tanimoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Commutator motor
    • Publication number 20040061406
    • Publication date Apr 1, 2004
    • HITACHI KOKI CO., LTD.
    • Tomoyoshi Yokota
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Stator for a commutator motor
    • Publication number 20010035691
    • Publication date Nov 1, 2001
    • Tomoyoshi Yokota
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER