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Junichi Toukairin

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  • Hitachinaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Power tool
    • Patent number 11,992,920
    • Issue date May 28, 2024
    • KOKI HOLDINGS CO., LTD.
    • Kengo Tamura
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Rotary tool
    • Patent number 11,980,948
    • Issue date May 14, 2024
    • KOKI HOLDINGS CO., LTD.
    • kengo Tamura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Electrical apparatus using battery pack
    • Patent number 11,837,741
    • Issue date Dec 5, 2023
    • KOKI HOLDINGS CO., LTD.
    • Takuhiro Murakami
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Battery pack, electrical device using battery pack, and electrical...
    • Patent number 11,824,169
    • Issue date Nov 21, 2023
    • KOKI HOLDINGS CO., LTD.
    • Tomomasa Nishikawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Electric device
    • Patent number 11,577,376
    • Issue date Feb 14, 2023
    • KOKI HOLDINGS CO., LTD.
    • Kengo Tamura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Battery pack, electrical device using battery pack, and electrical...
    • Patent number 11,205,820
    • Issue date Dec 21, 2021
    • KOKI HOLDINGS CO., LTD.
    • Hiroyuki Hanawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Work machine
    • Patent number 10,836,019
    • Issue date Nov 17, 2020
    • KOKI HOLDINGS CO., LTD.
    • Akira Matsushita
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Impact tool
    • Patent number 10,654,153
    • Issue date May 19, 2020
    • KOKI HOLDINGS CO., LTD.
    • Takuhiro Murakami
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Powered working machine
    • Patent number 9,669,536
    • Issue date Jun 6, 2017
    • Hitachi Koki Co., Ltd.
    • Yutaka Ito
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power tool
    • Patent number 9,048,699
    • Issue date Jun 2, 2015
    • Hitachi Koki Co., Ltd.
    • Katsuhiro Oomori
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Battery pack and battery-driven power tool using the same
    • Patent number 8,765,280
    • Issue date Jul 1, 2014
    • Hitachi Koki Co., Ltd.
    • Takashi Ueda
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Electric power tool
    • Patent number 8,627,900
    • Issue date Jan 14, 2014
    • Hitachi Koki Co., Ltd.
    • Katsuhiro Oomori
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Electric power tool
    • Patent number 8,513,838
    • Issue date Aug 20, 2013
    • Hitachi Koki Co., Ltd.
    • Junichi Toukairin
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Electrical power tool
    • Patent number 8,016,048
    • Issue date Sep 13, 2011
    • Hitachi Koki Co., Ltd.
    • Takashi Ueda
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Portable electric driver
    • Patent number D610421
    • Issue date Feb 23, 2010
    • Hitachi Koki Co., Ltd.
    • Takeshi Taniguchi
    • D08 - Tools and hardware
  • Information Patent Grant

    Impact drill
    • Patent number 7,213,659
    • Issue date May 8, 2007
    • Hitachi Koki Co., Ltd.
    • Takuma Saito
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Impact drill
    • Patent number 7,073,605
    • Issue date Jul 11, 2006
    • Hitachi Koki Co., Ltd.
    • Takuma Saito
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    BATTERY PACK, ELECTRIC DEVICE USING BATTERY PACK, AND ELECTRIC DEVI...
    • Publication number 20240055674
    • Publication date Feb 15, 2024
    • Koki Holdings Co., Ltd.
    • Tomomasa NISHIKAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    IMPACT TOOL
    • Publication number 20230202004
    • Publication date Jun 29, 2023
    • Koki Holdings Co., Ltd.
    • kengo TAMURA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    WORKING DEVICE
    • Publication number 20230147598
    • Publication date May 11, 2023
    • Koki Holdings Co., Ltd.
    • kengo TAMURA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ROTARY TOOL
    • Publication number 20220395911
    • Publication date Dec 15, 2022
    • Koki Holdings Co., Ltd.
    • kengo TAMURA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    POWER TOOL
    • Publication number 20200215667
    • Publication date Jul 9, 2020
    • Koki Holdings Co., Ltd.
    • Kengo TAMURA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ELECTRIC DEVICE
    • Publication number 20200215679
    • Publication date Jul 9, 2020
    • Koki Holdings Co., Ltd.
    • Kengo TAMURA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ELECTRIC DEVICE
    • Publication number 20200212414
    • Publication date Jul 2, 2020
    • Koki Holdings Co., Ltd.
    • Shota TAKEUCHI
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ELECTRICAL APPARATUS USING BATTERY PACK
    • Publication number 20200161609
    • Publication date May 21, 2020
    • Koki Holdings Co., Ltd.
    • Takuhiro Murakami
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    BATTERY PACK, ELECTRIC APPLIANCE USING BATTERY PACK, AND ELECTRIC A...
    • Publication number 20190259984
    • Publication date Aug 22, 2019
    • Koki Holdings Co., Ltd.
    • Tomomasa NISHIKAWA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    BATTERY PACK, ELECTRICAL DEVICE USING BATTERY PACK, AND ELECTRICAL...
    • Publication number 20190259985
    • Publication date Aug 22, 2019
    • Koki Holdings Co., Ltd.
    • Hiroyuki HANAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    IMPACT TOOL
    • Publication number 20180117745
    • Publication date May 3, 2018
    • Hitachi Koki Co., Ltd.
    • Takuhiro MURAKAMI
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    WORK MACHINE
    • Publication number 20180001444
    • Publication date Jan 4, 2018
    • Hitachi Koki Co., Ltd.
    • Akira MATSUSHITA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    POWERED WORKING MACHINE
    • Publication number 20150183107
    • Publication date Jul 2, 2015
    • Hitachi Koki Co., Ltd.
    • Yutaka ITO
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Power Tool
    • Publication number 20110227430
    • Publication date Sep 22, 2011
    • Hitachi Koki Co., Ltd
    • Katsuhiro Omori
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Electric Power Tool
    • Publication number 20110180286
    • Publication date Jul 28, 2011
    • Hitachi Koki Co., Tld
    • Katsuhiro Oomori
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Electric power tool
    • Publication number 20100283332
    • Publication date Nov 11, 2010
    • Junichi TOUKAIRIN
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Battery Pack and Battery-Driven Power Tool Using the Same
    • Publication number 20100092850
    • Publication date Apr 15, 2010
    • Hitachi Koki Co., Ltd.
    • Takashi Ueda
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Impact drill
    • Publication number 20050194165
    • Publication date Sep 8, 2005
    • Hitachi Koki Co., Ltd.
    • Takuma Saito
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Power tool
    • Publication number 20050196273
    • Publication date Sep 8, 2005
    • Hitachi Koki Co., Ltd.
    • Tomomasa Nishikawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Impact drill
    • Publication number 20050194164
    • Publication date Sep 8, 2005
    • Hitachi Koki Co., Ltd.
    • Takuma Saito
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS