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Takuya Konnai

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  • Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Driving tool
    • Patent number 11,571,793
    • Issue date Feb 7, 2023
    • KOKI HOLDINGS CO., LTD.
    • Kazuhiro Ootsuka
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Abnormality reporting system for electric tools
    • Patent number 10,991,228
    • Issue date Apr 27, 2021
    • KOKI HOLDINGS CO., LTD.
    • Tomomasa Nishikawa
    • G08 - SIGNALLING
  • 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

    Abnormality reporting system and electric tool, and communication t...
    • Patent number 10,325,475
    • Issue date Jun 18, 2019
    • KOKI HOLDINGS CO., LTD.
    • Tomomasa Nishikawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Abnormality reporting system and electric tool, and communication t...
    • Patent number 9,940,813
    • Issue date Apr 10, 2018
    • Hitachi Koki Co., Ltd.
    • Tomomasa Nishikawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Desk-top cutting machine
    • Patent number 9,636,762
    • Issue date May 2, 2017
    • Hitachi Koki Co., Ltd.
    • Hideaki Terashima
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • 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

    Dust collector
    • Patent number 8,800,108
    • Issue date Aug 12, 2014
    • Hitachi Koki Co., Ltd.
    • Hideyuki Tanimoto
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Air blower
    • Patent number 8,721,298
    • Issue date May 13, 2014
    • Hitachi Koki Co., Ltd.
    • Hideyuki Tanimoto
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Portable abrasive tool
    • Patent number 8,678,884
    • Issue date Mar 25, 2014
    • Hitachi Koki Co., Ltd.
    • Hideyuki Tanimoto
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Adapter for a power tool battery pack
    • Patent number 8,354,183
    • Issue date Jan 15, 2013
    • Hitachi Koki Co., Ltd.
    • Yuuichi Konuma
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Portable electric cutting apparatus
    • Patent number 7,861,417
    • Issue date Jan 4, 2011
    • Hitachi Koki Co., Ltd.
    • Hideyuki Tanimoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Portable electric cutting apparatus
    • Patent number 7,275,326
    • Issue date Oct 2, 2007
    • Hitachi Koki Co., Ltd.
    • Hideyuki Tanimoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    DRIVING TOOL
    • Publication number 20210229249
    • Publication date Jul 29, 2021
    • Koki Holdings Co., Ltd.
    • Kazuhiro OOTSUKA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    SYSTEM
    • Publication number 20190244509
    • Publication date Aug 8, 2019
    • Koki Holdings Co., Ltd.
    • Tomomasa NISHIKAWA
    • G05 - CONTROLLING REGULATING
  • Information Patent Application

    ABNORMALITY REPORTING SYSTEM AND ELECTRIC TOOL, AND COMMUNICATION T...
    • Publication number 20180204443
    • Publication date Jul 19, 2018
    • Hitachi Koki Co., Ltd.
    • Tomomasa NISHIKAWA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ABNORMALITY REPORTING SYSTEM AND ELECTRIC TOOL, AND COMMUNICATION T...
    • Publication number 20160351039
    • Publication date Dec 1, 2016
    • Tomomasa NISHIKAWA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    DESK-TOP CUTTING MACHINE
    • Publication number 20150174674
    • Publication date Jun 25, 2015
    • Hitachi Koki Co., Ltd.
    • Hideaki Terashima
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • 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

    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

    DUST COLLECTOR
    • Publication number 20110146025
    • Publication date Jun 23, 2011
    • HITACHI KOKI CO., LTD.
    • Hideyuki Tanimoto
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    PORTABLE ABRASIVE TOOL
    • Publication number 20110108302
    • Publication date May 12, 2011
    • HITACHI KOKI CO., LTD.
    • Hideyuki Tanimoto
    • B24 - GRINDING POLISHING
  • Information Patent Application

    AIR BLOWER
    • Publication number 20110110798
    • Publication date May 12, 2011
    • Hideyuki TANIMOTO
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Adapter for a Power Tool Battery Pack
    • Publication number 20100062326
    • Publication date Mar 11, 2010
    • Yuuichi Konuma
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Portable electric cutting apparatus
    • Publication number 20070271799
    • Publication date Nov 29, 2007
    • Hitachi Koki Co., Ltd.
    • Hideyuki Tanimoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Portable electric cutting apparatus
    • Publication number 20050160608
    • Publication date Jul 28, 2005
    • Hitachi Koki Co., Ltd.
    • Hideyuki Tanimoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR