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Kenichirou Yoshida

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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric power tool
    • Patent number 10,391,599
    • Issue date Aug 27, 2019
    • KOKI HOLDINGS CO., LTD.
    • Kenichirou Yoshida
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Portable electric cutter
    • Patent number 10,201,865
    • Issue date Feb 12, 2019
    • KOKI HOLDINGS CO., LTD.
    • Hayato Yamaguchi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power tool and battery pack
    • Patent number 10,205,198
    • Issue date Feb 12, 2019
    • KOKI HOLDINGS CO., LTD.
    • Yoshikazu Kawano
    • B60 - VEHICLES IN GENERAL
  • Information Patent Grant

    Electric power tool
    • Patent number 10,099,303
    • Issue date Oct 16, 2018
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Electric tool
    • Patent number 10,027,196
    • Issue date Jul 17, 2018
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Portable electric cutter
    • Patent number 9,808,872
    • Issue date Nov 7, 2017
    • Hitachi Koki Co., Ltd.
    • Hayato Yamaguchi
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Disk motor, electric working machine including disk motor and metho...
    • Patent number 9,570,952
    • Issue date Feb 14, 2017
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power tool
    • Patent number 9,391,491
    • Issue date Jul 12, 2016
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power tool having display that displays residual capacity of battery
    • Patent number 9,197,153
    • Issue date Nov 24, 2015
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Electric rotating tool
    • Patent number 9,114,519
    • Issue date Aug 25, 2015
    • Hitachi Koki Co., Ltd.
    • Kazutaka Iwata
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Power tool
    • Patent number 8,541,913
    • Issue date Sep 24, 2013
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power tool
    • Patent number 8,253,285
    • Issue date Aug 28, 2012
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric tool
    • Patent number 8,230,606
    • Issue date Jul 31, 2012
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power tool
    • Patent number 8,084,901
    • Issue date Dec 27, 2011
    • Hitachi Koki Co., Ltd.
    • Katsuhiro Oomori
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Portable electric cutting device with blower mechanism
    • Patent number 7,516,553
    • Issue date Apr 14, 2009
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power tool and gear unit assembled therein
    • Patent number 7,357,195
    • Issue date Apr 15, 2008
    • Hitachi Koki Co., Ltd.
    • Junichi Kamimura
    • 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

    Portable electric cutting device with blower mechanism
    • Patent number 7,219,435
    • Issue date May 22, 2007
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Portable electric cutting device with blower mechanism
    • Patent number 7,103,979
    • Issue date Sep 12, 2006
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Portable circular saw having circular saw blade inclination angle c...
    • Patent number 6,951,057
    • Issue date Oct 4, 2005
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...

Patents Applicationslast 30 patents

  • Information Patent Application

    PORTABLE ELECTRIC CUTTER
    • Publication number 20180021865
    • Publication date Jan 25, 2018
    • Hitachi Koki Co., Ltd.
    • Hayato YAMAGUCHI
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    POWER TOOL AND BATTERY PACK
    • Publication number 20170194670
    • Publication date Jul 6, 2017
    • Hitachi Koki Co., Ltd.
    • Yoshikazu KAWANO
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ELECTRIC POWER TOOL
    • Publication number 20160193673
    • Publication date Jul 7, 2016
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ELECTRIC TOOL
    • Publication number 20150244226
    • Publication date Aug 27, 2015
    • Hitachi Koki Co., Ltd.
    • Kenichirou YOSHIDA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRIC POWER TOOL
    • Publication number 20150034348
    • Publication date Feb 5, 2015
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    PORTABLE ELECTRIC CUTTER
    • Publication number 20150026985
    • Publication date Jan 29, 2015
    • Hitachi Koki Co., Ltd.
    • Hayato Yamaguchi
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Power Tool Having Display That Displays Residual Capacity Of Battery
    • Publication number 20140028223
    • Publication date Jan 30, 2014
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Power Tool
    • Publication number 20140015350
    • Publication date Jan 16, 2014
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DISK MOTOR, ELECTRIC WORKING MACHINE INCLUDING DISK MOTOR AND METHO...
    • Publication number 20130307367
    • Publication date Nov 21, 2013
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DISK MOTOR AND ELECTRIC POWER TOOL EQUIPPED WITH THE SAME
    • Publication number 20130106235
    • Publication date May 2, 2013
    • HITACHI KOKI CO, LTD
    • Kenichirou YOSHIDA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DISK MOTOR, ELECTRIC WORKING MACHINE INCLUDING THE SAME AND METHOD...
    • Publication number 20130082563
    • Publication date Apr 4, 2013
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Power Tool
    • Publication number 20120200181
    • Publication date Aug 9, 2012
    • Kenichirou Yoshida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Electric Rotating Tool
    • Publication number 20100307782
    • Publication date Dec 9, 2010
    • Hitachi Koki Co., Ltd.
    • Kazutaka Iwata
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    POWER TOOL
    • Publication number 20100244592
    • Publication date Sep 30, 2010
    • HITACHI KOKI CO. LTD.
    • Katsuhiro Oomori
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ELECTRIC MOTOR AND ELECTRIC TOOL WITH THE SAME
    • Publication number 20090302695
    • Publication date Dec 10, 2009
    • Youichi Kawamura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Power Tool
    • Publication number 20080265695
    • Publication date Oct 30, 2008
    • Kenichirou Yoshida
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Portable electric cutting device with blower mechanism
    • Publication number 20070220759
    • Publication date Sep 27, 2007
    • Kenichirou Yoshida
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • 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

    Electric tool
    • Publication number 20050274028
    • Publication date Dec 15, 2005
    • Hitachi Koki Co., Ltd.
    • Kenichirou Yoshida
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Portable electric cutting device with blower mechanism
    • Publication number 20050262706
    • Publication date Dec 1, 2005
    • Kenichirou Yoshida
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Power tool and gear unit assembled therein
    • Publication number 20050224245
    • Publication date Oct 13, 2005
    • Junichi Kamimura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Portable electric cutting device with blower mechanism
    • Publication number 20040107584
    • Publication date Jun 10, 2004
    • Kenichirou Yoshida
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Portable circular saw having circular saw blade inclination angle c...
    • Publication number 20030131484
    • Publication date Jul 17, 2003
    • HITACHI KOKI CO., LTD.
    • Kenichirou Yoshida
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...