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Takeru Kumakura

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  • Hitachinaka, Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Power tool
    • Patent number 12,168,259
    • Issue date Dec 17, 2024
    • KOKI HOLDINGS CO., LTD.
    • Yoshiaki Osada
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Work machine
    • Patent number 11,969,810
    • Issue date Apr 30, 2024
    • KOKI HOLDINGS CO., LTD.
    • Takeru Kumakura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Electric tool
    • Patent number 11,211,894
    • Issue date Dec 28, 2021
    • KOKI HOLDINGS CO., LTD.
    • Takeru Kumakura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power tool
    • Patent number 11,141,804
    • Issue date Oct 12, 2021
    • KOKI HOLDINGS CO., LTD.
    • Yuuichi Toyoshima
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power tool having first elastic member and second elastic member ac...
    • Patent number 10,702,932
    • Issue date Jul 7, 2020
    • KOKI HOLDINGS CO., LTD.
    • Takeru Kumakura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Power tool
    • Patent number 10,658,957
    • Issue date May 19, 2020
    • KOKI HOLDINGS CO., LTD.
    • Shinji Kuragano
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    WORK MACHINE
    • Publication number 20240001581
    • Publication date Jan 4, 2024
    • Koki Holdings Co., Ltd.
    • Takeru KUMAKURA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    WORK MACHINE
    • Publication number 20230076288
    • Publication date Mar 9, 2023
    • Koki Holdings Co., Ltd.
    • Yoshiaki OSADA
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    ROUTER
    • Publication number 20220388196
    • Publication date Dec 8, 2022
    • Koki Holdings Co., Ltd.
    • Yoshiaki OSADA
    • B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
  • Information Patent Application

    POWER TOOL
    • Publication number 20220241877
    • Publication date Aug 4, 2022
    • Koki Holdings Co., Ltd.
    • Yoshiaki Osada
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    WORK MACHINE
    • Publication number 20210237177
    • Publication date Aug 5, 2021
    • Koki Holdings Co., Ltd.
    • Takeru KUMAKURA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ELECTRIC TOOL
    • Publication number 20210119566
    • Publication date Apr 22, 2021
    • Koki Holdings Co., Ltd.
    • Takeru KUMAKURA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    POWER TOOL
    • Publication number 20200180050
    • Publication date Jun 11, 2020
    • Koki Holdings Co., Ltd.
    • Yuuichi TOYOSHIMA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Power Tool
    • Publication number 20190131899
    • Publication date May 2, 2019
    • Koki Holdings Co., Ltd.
    • Shinji Kuragano
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Power Tool
    • Publication number 20180050398
    • Publication date Feb 22, 2018
    • Hitachi Koki Co., Ltd.
    • Takeru Kumakura
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR