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Kengo TAMURA

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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

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

Patents Applicationslast 30 patents

  • Information Patent Application

    WORK MACHINE
    • Publication number 20240253203
    • Publication date Aug 1, 2024
    • Koki Holdings Co., Ltd.
    • Kengo TAMURA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    SENSOR UNIT, WORK MACHINE, COMMUNICATION METHOD, AND MANAGEMENT METHOD
    • Publication number 20230311292
    • Publication date Oct 5, 2023
    • Koki Holdings Co., Ltd.
    • Hisashi IROKAWA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • 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

    IMPACT TOOL
    • Publication number 20160318163
    • Publication date Nov 3, 2016
    • Hitachi Koki Co., Ltd.
    • Yoshihiro KOMURO
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS