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Tatsuya Ito

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Patents Grantslast 30 patents

  • Information Patent Grant

    Working tool
    • Patent number 12,186,875
    • Issue date Jan 7, 2025
    • KOKI HOLDINGS CO., LTD.
    • Tetsuhito Shige
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Work device
    • Patent number 11,469,699
    • Issue date Oct 11, 2022
    • KOKI HOLDINGS CO., LTD.
    • Yuki Ishikawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Rotary impact tool
    • Patent number 10,994,393
    • Issue date May 4, 2021
    • KOKI HOLDINGS CO., LTD.
    • Tetsuhiro Harada
    • 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

    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

    Electric tool and communication plug for electric tool
    • Patent number 9,833,890
    • Issue date Dec 5, 2017
    • Hitachi Koki Co., Ltd.
    • Tatsuya Ito
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Electric working machine
    • Patent number 9,473,055
    • Issue date Oct 18, 2016
    • Hitachi Koki Co., Ltd.
    • Tatsuya Ito
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    WORKING TOOL
    • Publication number 20230166390
    • Publication date Jun 1, 2023
    • Koki Holdings Co., Ltd.
    • Tetsuhito SHIGE
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ELECTRIC WORK MACHINE AND ELECTRIC WORK MACHINE SYSTEM
    • Publication number 20210237252
    • Publication date Aug 5, 2021
    • Koki Holdings Co., Ltd.
    • Tatsuya ITO
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    DRIVING TOOL
    • Publication number 20210237241
    • Publication date Aug 5, 2021
    • Koki Holdings Co., Ltd.
    • Kenta HARADA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    BATTERY PACK AND WIRELESS LINKING SYSTEM
    • Publication number 20210210793
    • Publication date Jul 8, 2021
    • Koki Holdings Co., Ltd.
    • Satoshi YAMAGUCHI
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    WORK DEVICE
    • Publication number 20200403544
    • Publication date Dec 24, 2020
    • Koki Holdings Co., Ltd.
    • Yuki ISHIKAWA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

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

    Rotary Impact Tool
    • Publication number 20190030692
    • Publication date Jan 31, 2019
    • Koki Holdings Co., Ltd.
    • Tetsuhiro Harada
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    SELF-PROPELLED GRASS MOWER AND SELF-PROPELLED WHEELED APPARATUS
    • Publication number 20180199506
    • Publication date Jul 19, 2018
    • Hitachi Koki Co., Ltd.
    • Tatsuya ITO
    • 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

    ELECTRIC WORKING MACHINE
    • Publication number 20140049204
    • Publication date Feb 20, 2014
    • Hitachi Koki Co., Ltd.
    • Tatsuya Ito
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRIC TOOL AND DATA TRANSMISSION METHOD
    • Publication number 20130245789
    • Publication date Sep 19, 2013
    • Hitachi Koki Co., Ltd.
    • Yoshio Iimura
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ELECTRIC TOOL AND COMMUNICATION PLUG FOR ELECTRIC TOOL
    • Publication number 20120292070
    • Publication date Nov 22, 2012
    • Hitachi Koki Co., Ltd.
    • Tatsuya ITO
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS