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Ken Miyazawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Work tool
    • Patent number 12,172,290
    • Issue date Dec 24, 2024
    • KOKI HOLDINGS CO., LTD.
    • Ken Miyazawa
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Electric tool
    • Patent number 12,011,818
    • Issue date Jun 18, 2024
    • KOKI HOLDINGS CO., LTD.
    • Ken Miyazawa
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Electrically powered tool
    • Patent number 11,986,924
    • Issue date May 21, 2024
    • KOKI HOLDINGS CO., LTD.
    • Ken Miyazawa
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Electrically powered tool
    • Patent number 11,489,407
    • Issue date Nov 1, 2022
    • KOKI HOLDINGS CO., LTD.
    • Ryo Suzuki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power tool provided with circuit board
    • Patent number 9,457,459
    • Issue date Oct 4, 2016
    • Hitachi Koki Co., Ltd.
    • Naoki Tadokoro
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS

Patents Applicationslast 30 patents

  • Information Patent Application

    WORK MACHINE
    • Publication number 20250153335
    • Publication date May 15, 2025
    • Koki Holdings Co., Ltd.
    • Ken MIYAZAWA
    • B24 - GRINDING POLISHING
  • Information Patent Application

    WORK MACHINE
    • Publication number 20230166378
    • Publication date Jun 1, 2023
    • Koki Holdings Co., Ltd.
    • Ken MIYAZAWA
    • B24 - GRINDING POLISHING
  • Information Patent Application

    WORK TOOL
    • Publication number 20230044008
    • Publication date Feb 9, 2023
    • Koki Holdings Co., Ltd.
    • Ken MIYAZAWA
    • B24 - GRINDING POLISHING
  • Information Patent Application

    ELECTRIC WORK MACHINE
    • Publication number 20210362289
    • Publication date Nov 25, 2021
    • Koki Holdings Co., Ltd.
    • Kyouichi NAKAYAMA
    • B24 - GRINDING POLISHING
  • Information Patent Application

    ELECTRIC TOOL
    • Publication number 20210260745
    • Publication date Aug 26, 2021
    • Koki Holdings Co., Ltd.
    • Ken MIYAZAWA
    • B24 - GRINDING POLISHING
  • Information Patent Application

    ELECTRICALLY POWERED TOOL
    • Publication number 20210099052
    • Publication date Apr 1, 2021
    • Koki Holdings Co., Ltd.
    • Ryo Suzuki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRICALLY POWERED TOOL
    • Publication number 20190358769
    • Publication date Nov 28, 2019
    • Koki Holdings Co., Ltd.
    • Ken MIYAZAWA
    • B24 - GRINDING POLISHING
  • Information Patent Application

    Power Tool Provided With Circuit Board
    • Publication number 20130000934
    • Publication date Jan 3, 2013
    • Hitachi Koki Co., Ltd.
    • Naoki Tadokoro
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS