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Kazuyoshi Nakamura

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  • Anpachi-gun, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drilling tip and drilling tool
    • Patent number 11,976,518
    • Issue date May 7, 2024
    • MMC RYOTEC CORPORATION
    • Kazuyoshi Nakamura
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drilling tool
    • Patent number 10,851,593
    • Issue date Dec 1, 2020
    • Mitsubishi Materials Corporation
    • Kazuyoshi Nakamura
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drilling tool
    • Patent number 10,107,045
    • Issue date Oct 23, 2018
    • Mitsubishi Materials Corporation
    • Kazuyoshi Nakamura
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Digging bit
    • Patent number 10,006,251
    • Issue date Jun 26, 2018
    • MITSUBISHI MATERIALS CORPROATION
    • Kazuyoshi Nakamura
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Drilling tool
    • Patent number 9,869,134
    • Issue date Jan 16, 2018
    • Mitsubishi Materials Corporation
    • Kazuyoshi Nakamura
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Excavation tool
    • Patent number 9,551,190
    • Issue date Jan 24, 2017
    • Mitsubishi Materials Corporation
    • Yoneo Hiwasa
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Excavating tool
    • Patent number 9,428,964
    • Issue date Aug 30, 2016
    • Mitsubishi Materials Corporation
    • Masaya Hisada
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Digging tool, digging bit, and device
    • Patent number 8,550,191
    • Issue date Oct 8, 2013
    • Mitsubishi Materials Corporation
    • Yoneo Hiwasa
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Excavation tool
    • Patent number 8,104,551
    • Issue date Jan 31, 2012
    • Mitsubishi Materials Corporation
    • Kazuyoshi Nakamura
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    DRILLING TIP AND DRILLING TOOL
    • Publication number 20220290502
    • Publication date Sep 15, 2022
    • MMC RYOTEC CORPORATION
    • Kazuyoshi Nakamura
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DRILLING TOOL
    • Publication number 20190169938
    • Publication date Jun 6, 2019
    • MITSUBISHI MATERIALS CORPORATION
    • Kazuyoshi Nakamura
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DRILLING TOOL AND DRILLING METHOD
    • Publication number 20190003261
    • Publication date Jan 3, 2019
    • MITSUBISHI MATERIALS CORPORATION
    • Kunihiko Tanaka
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DRILLING TOOL
    • Publication number 20170234075
    • Publication date Aug 17, 2017
    • MITSUBISHI MATERIALS CORPORATION
    • Kazuyoshi Nakamura
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DRILLING TOOL
    • Publication number 20170081923
    • Publication date Mar 23, 2017
    • MITSUBISHI MATERIALS CORPORATION
    • Kazuyoshi NAKAMURA
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DIGGING BIT
    • Publication number 20160002979
    • Publication date Jan 7, 2016
    • Mitsubishi Materials Corporation
    • Kazuyoshi NAKAMURA
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DRILLING TOOL
    • Publication number 20160002983
    • Publication date Jan 7, 2016
    • MITSUBISHI MATERIALS CORPORATION
    • Kazuyoshi NAKAMURA
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    EXCAVATING TOOL
    • Publication number 20150300094
    • Publication date Oct 22, 2015
    • MITSUBISHI MATERIALS CORPORATION
    • Masaya Hisada
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    EXCAVATION TOOL
    • Publication number 20140311808
    • Publication date Oct 23, 2014
    • Yoneo Hiwasa
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Excavation Tool
    • Publication number 20100236831
    • Publication date Sep 23, 2010
    • MITSUBISHI MATERIALS CORPORATION
    • Kazuyoshi Nakamura
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    DIGGING TOOL, DIGGING BIT, AND DEVICE
    • Publication number 20100200302
    • Publication date Aug 12, 2010
    • MITSUBISHI MATERIALS CORPORATION
    • Yoneo Hiwasa
    • E21 - EARTH DRILLING MINING