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Masaaki Miyanaga

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Patents Grantslast 30 patents

  • Information Patent Grant

    Core cutter and cutting method using the same
    • Patent number 11,453,071
    • Issue date Sep 27, 2022
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drilling device for enlarged-diameter hole
    • Patent number 11,213,898
    • Issue date Jan 4, 2022
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Hole drilling device for forming expanded-diameter hole portion
    • Patent number 10,744,677
    • Issue date Aug 18, 2020
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Dust suction drill and dust suction unit
    • Patent number 10,335,980
    • Issue date Jul 2, 2019
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Anchor bolt
    • Patent number 10,132,344
    • Issue date Nov 20, 2018
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Hole-drilling device for drilling hole with expanded diameter hole...
    • Patent number 9,950,445
    • Issue date Apr 24, 2018
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit
    • Patent number 9,925,691
    • Issue date Mar 27, 2018
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for producing hard tip
    • Patent number 9,463,507
    • Issue date Oct 11, 2016
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Coolant supply device and electric drill unit provided with coolant...
    • Patent number 9,457,491
    • Issue date Oct 4, 2016
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit
    • Patent number 9,162,371
    • Issue date Oct 20, 2015
    • Kabushiki Kaisha Mayanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Core cutter
    • Patent number 8,794,880
    • Issue date Aug 5, 2014
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Core drill
    • Patent number 8,613,577
    • Issue date Dec 24, 2013
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Shank attachment device
    • Patent number 8,608,413
    • Issue date Dec 17, 2013
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Water feed apparatus for core drill
    • Patent number 8,419,321
    • Issue date Apr 16, 2013
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Shank attachment structure
    • Patent number 8,371,775
    • Issue date Feb 12, 2013
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill dust collector
    • Patent number 8,113,747
    • Issue date Feb 14, 2012
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Core drill
    • Patent number 8,100,612
    • Issue date Jan 24, 2012
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit
    • Patent number 7,891,444
    • Issue date Feb 22, 2011
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Core cutter
    • Patent number 7,611,312
    • Issue date Nov 3, 2009
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit
    • Patent number 7,540,341
    • Issue date Jun 2, 2009
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Diamond disk
    • Patent number 7,357,705
    • Issue date Apr 15, 2008
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B24 - GRINDING POLISHING
  • Information Patent Grant

    Blade edge structure for core drill
    • Patent number 7,341,120
    • Issue date Mar 11, 2008
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Dust collecting pad
    • Patent number D562514
    • Issue date Feb 19, 2008
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • D32 - Washing, cleaning, or drying machine
  • Information Patent Grant

    Hole cutter
    • Patent number D541831
    • Issue date May 1, 2007
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Drill bit
    • Patent number 7,137,462
    • Issue date Nov 21, 2006
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit
    • Patent number 7,097,396
    • Issue date Aug 29, 2006
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Shank installation structure and cutters
    • Patent number 6,966,730
    • Issue date Nov 22, 2005
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Core body lock device of core drill and core body used for the device
    • Patent number 6,926,476
    • Issue date Aug 9, 2005
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Drill bit
    • Patent number 6,817,428
    • Issue date Nov 16, 2004
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Quick attachment structure for drill shank
    • Patent number 6,250,856
    • Issue date Jun 26, 2001
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    BORING DEVICE
    • Publication number 20230118075
    • Publication date Apr 20, 2023
    • Kabushiki Kaisha Miyanaga
    • Masaaki MIYANAGA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DIAMETER-ENLARGED HOLE PORTION FORMING DEVICE
    • Publication number 20220016721
    • Publication date Jan 20, 2022
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CORE CUTTER AND CUTTING METHOD USING THE SAME
    • Publication number 20210187630
    • Publication date Jun 24, 2021
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DRILLING DEVICE FOR ENLARGED-DIAMETER HOLE
    • Publication number 20210031276
    • Publication date Feb 4, 2021
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    HOLE DRILLING DEVICE FOR FORMING EXPANDED-DIAMETER HOLE PORTION
    • Publication number 20190160707
    • Publication date May 30, 2019
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Application

    Anchor Bolt
    • Publication number 20180187709
    • Publication date Jul 5, 2018
    • KABUSHIKI KAISHA MIYANAGA
    • Masaaki Miyanaga
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Method of Drilling Hole and Coolant Used In Hole Drilling Work
    • Publication number 20180056400
    • Publication date Mar 1, 2018
    • KABUSHIKI KAISHA MIYANAGA
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Dust Suction Drill and Dust Suction Unit
    • Publication number 20180015639
    • Publication date Jan 18, 2018
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Drill Bit
    • Publication number 20170001335
    • Publication date Jan 5, 2017
    • KABUSHIKI KAISHA MIYANAGA
    • Masaaki Miyanaga
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Hole-Drilling Device for Drilling Hole with Expanded Diameter Hole...
    • Publication number 20160207222
    • Publication date Jul 21, 2016
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    COOLANT SUPPLY DEVICE AND ELECTRIC DRILL UNIT PROVIDED WITH COOLANT...
    • Publication number 20140154020
    • Publication date Jun 5, 2014
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Method for Producing Hard Tip
    • Publication number 20140072468
    • Publication date Mar 13, 2014
    • KABUSHIKI KAISHA MIYANAGA
    • Masaaki Miyanaga
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    DRILL BIT
    • Publication number 20130266386
    • Publication date Oct 10, 2013
    • Kabushiki Kaisha Miyangaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ROTATION TOOL INSTALLATION AND REMOVAL DEVICE AND SAID ROTATION TOOL
    • Publication number 20130127123
    • Publication date May 23, 2013
    • KABUSHIKI KAISHA MIYANAGA
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CORE DRILL
    • Publication number 20110182683
    • Publication date Jul 28, 2011
    • KABUSHIKI KAISHA MIYANAGA
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Core Cutter
    • Publication number 20100226728
    • Publication date Sep 9, 2010
    • KABUSHIKI KAISHA MIYANAGA
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Shank Attachment Device
    • Publication number 20100127465
    • Publication date May 27, 2010
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Shank Attachment Structure
    • Publication number 20100007101
    • Publication date Jan 14, 2010
    • KABUSHIKI KAISHA MIYANAGA
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Hard Tip and Method for Producing the Same
    • Publication number 20100003093
    • Publication date Jan 7, 2010
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Anchor Bolt Hole Cleaning Device
    • Publication number 20090217482
    • Publication date Sep 3, 2009
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Drill Dust Collector
    • Publication number 20090172911
    • Publication date Jul 9, 2009
    • KABUSHIKI KAISHA MIYANAGA
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    DIAMETRICALLY EXPANDED GROOVE CUTTING APPARATUS AND EXPANDABLE MECH...
    • Publication number 20090139772
    • Publication date Jun 4, 2009
    • Kabushiki Kaisha Myanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    WATER FEED APPARATUS FOR CORE DRILL
    • Publication number 20090129878
    • Publication date May 21, 2009
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Application

    Drill Bit
    • Publication number 20090103994
    • Publication date Apr 23, 2009
    • KABUSHIKI KAISHA MIYANAGA
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Core Drill
    • Publication number 20080298915
    • Publication date Dec 4, 2008
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Core Cutter
    • Publication number 20080279646
    • Publication date Nov 13, 2008
    • KABUSHIKI KAISHA MIYANAGA
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Core cutter
    • Publication number 20070065244
    • Publication date Mar 22, 2007
    • KABUSHIKI KAISHA MIYANAGA
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Blade edge structure for core drill
    • Publication number 20060251482
    • Publication date Nov 9, 2006
    • Kabushiki Kaisha Miyanaga
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Drill bit
    • Publication number 20060180355
    • Publication date Aug 17, 2006
    • Masaaki Miyanaga
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Diamond disk
    • Publication number 20060160481
    • Publication date Jul 20, 2006
    • KABUSHIKI KAISHA MIYANAGA
    • Masaaki Miyanaga
    • B28 - WORKING CEMENT, CLAY, OR STONE