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Hirokazu Suruga

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tool chuck, tool holding method and tool removing method
    • Patent number 10,730,117
    • Issue date Aug 4, 2020
    • Big Daishowa Co., Ltd.
    • Joji Nakatani
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tool holding structure
    • Patent number 9,776,253
    • Issue date Oct 3, 2017
    • Daishowa Seiki Kabushiki Kaisha
    • Hirokazu Suruga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tap holder
    • Patent number 9,446,463
    • Issue date Sep 20, 2016
    • Daishowa Seiki Kabushiki Kaisha
    • Hirokazu Suruga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Tap holder
    • Patent number 8,226,337
    • Issue date Jul 24, 2012
    • Daishowa Seiki Co., Ltd.
    • Tsuyoshi Komine
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Concave part cover
    • Patent number 7,144,209
    • Issue date Dec 5, 2006
    • Big Alpha Co., Inc.
    • Tsuyoshi Komine
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    TOOL CHUCK, TOOL HOLDING METHOD AND TOOL REMOVING METHOD
    • Publication number 20190118269
    • Publication date Apr 25, 2019
    • Big Daishowa Co., Ltd.
    • Joji NAKATANI
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    TOOL HOLDING STRUCTURE
    • Publication number 20150321264
    • Publication date Nov 12, 2015
    • DAISHOWA SEIKI KABUSHIKI KAISHA
    • Hirokazu SURUGA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    TAP HOLDER
    • Publication number 20140159322
    • Publication date Jun 12, 2014
    • DAISHOWA SEIKI KABUSHIKI KAISHA
    • Hirokazu Suruga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Tap Holder
    • Publication number 20090324351
    • Publication date Dec 31, 2009
    • Daishowa Seiki Co., Ltd.
    • Tsuyoshi Komine
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Tap Holder
    • Publication number 20090209356
    • Publication date Aug 20, 2009
    • Daishowa Seiki Co., Ltd.
    • Tsuyoshi Komine
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Cleaner
    • Publication number 20090007352
    • Publication date Jan 8, 2009
    • Big Alpha Co., Inc.
    • Tsuyoshi Komine
    • B08 - CLEANING
  • Information Patent Application

    Concave part cover
    • Publication number 20040168544
    • Publication date Sep 2, 2004
    • Big Alpha Co., Inc.
    • Tsuyoshi Komine
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR