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Howa Machinery, Ltd.

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  • Nagoya, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Chuck-claw guide structure and chuck-claw insertion method
    • Patent number 11,992,885
    • Issue date May 28, 2024
    • Howa Machinery, Ltd.
    • Hiroshi Nagaosa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chuck-claw guide structure and chuck-claw insertion method
    • Patent number 11,964,331
    • Issue date Apr 23, 2024
    • Howa Machinery, Ltd.
    • Hiroshi Nagaosa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chuck grip accuracy checking method, chuck claw exchanging method,...
    • Patent number 11,794,301
    • Issue date Oct 24, 2023
    • Howa Machinery, Ltd.
    • Hiroshi Nagaosa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chuck-claw coupling mechanism
    • Patent number 11,478,861
    • Issue date Oct 25, 2022
    • Howa Machinery, Ltd.
    • Hiroshi Nagaosa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Rod-less cylinder equipped with guide mechanism
    • Patent number 10,280,950
    • Issue date May 7, 2019
    • Howa Machinery, Ltd.
    • Tsuyoshi Yonezawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Magnet-type rodless cylinder
    • Patent number 10,082,160
    • Issue date Sep 25, 2018
    • HOWA MACHINERY LTD.
    • Tsuyoshi Yonezawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Rodless cylinder
    • Patent number 8,746,129
    • Issue date Jun 10, 2014
    • Howa Machinery, Ltd.
    • Tsuyoshi Yonezawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Magnet type rodless cylinder
    • Patent number 7,669,515
    • Issue date Mar 2, 2010
    • Howa Machinery, Ltd.
    • Akiyoshi Horikawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Process simulation system
    • Patent number 7,657,410
    • Issue date Feb 2, 2010
    • Howa Machinery, Ltd.
    • Kazuaki Serizawa
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Magnet type rodless cylinder
    • Patent number 7,644,648
    • Issue date Jan 12, 2010
    • Howa Machinery, Ltd.
    • Naoki Minowa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Magnet type rodless cylinder
    • Patent number 7,568,423
    • Issue date Aug 4, 2009
    • Howa Machinery, Ltd.
    • Naoki Minowa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Magnet type rodless cylinder
    • Patent number 7,493,848
    • Issue date Feb 24, 2009
    • Howa Machinery, Ltd.
    • Akiyoshi Horikawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Sheet-cutting apparatus
    • Patent number 7,334,721
    • Issue date Feb 26, 2008
    • Howa Machinery, Ltd.
    • Tetsuya Oketani
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Magnet type rodless cylinder
    • Patent number 7,194,949
    • Issue date Mar 27, 2007
    • Howa Machinery, Ltd.
    • Mitsuo Noda
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Device and method for generating piston outline machining data and...
    • Patent number 7,184,854
    • Issue date Feb 27, 2007
    • Howa Machinery, Ltd.
    • Kazuaki Serizawa
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Rodless cylinder
    • Patent number D529938
    • Issue date Oct 10, 2006
    • Howa Machinery, Ltd.
    • Mitsuo Noda
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Safety mechanism for bolt-action firearm
    • Patent number 6,957,508
    • Issue date Oct 25, 2005
    • Howa Machinery, Ltd.
    • Teruhiko Sato
    • F41 - WEAPONS
  • Information Patent Grant

    Holding chuck for a tire-wheel with a chatter-suppressing device
    • Patent number 6,502,834
    • Issue date Jan 7, 2003
    • Howa Machinery, Ltd.
    • Katsumi Fukui
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Chuck for machine tool
    • Patent number 6,474,658
    • Issue date Nov 5, 2002
    • Howa Machinery, Ltd.
    • Teruo Hanai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Spare tool changing system for machining center
    • Patent number 6,450,932
    • Issue date Sep 17, 2002
    • Howa Machinery, Ltd.
    • Yoshiro Hirose
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Clamping cylinder actuator
    • Patent number 6,427,992
    • Issue date Aug 6, 2002
    • Howa Machinery, Ltd.
    • Mitsuo Noda
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Rotary clamping cylinder actuator
    • Patent number 6,412,763
    • Issue date Jul 2, 2002
    • Howa Machinery, Ltd.
    • Mitsuo Noda
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Cylinder tube for clamp cylinder
    • Patent number D454575
    • Issue date Mar 19, 2002
    • Howa Machinery, Ltd.
    • Mitsuo Noda
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Vertical alignment table mechanism
    • Patent number 6,342,944
    • Issue date Jan 29, 2002
    • Howa Machinery, Ltd.
    • Atsushi Okamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Actuator device
    • Patent number 6,308,614
    • Issue date Oct 30, 2001
    • Howa Machinery, Ltd.
    • Mitsuo Noda
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Coupling construction between an actuator and a base
    • Patent number 6,293,183
    • Issue date Sep 25, 2001
    • Howa Machinery, Ltd.
    • Mitsuo Noda
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Rodless cylinder
    • Patent number 6,253,660
    • Issue date Jul 3, 2001
    • Howa Machinery, Ltd.
    • Mitsuo Noda
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Rotary cylinder device
    • Patent number 6,220,143
    • Issue date Apr 24, 2001
    • Howa Machinery, Ltd.
    • Shin Yoshida
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Double-sided exposure system
    • Patent number 6,211,942
    • Issue date Apr 3, 2001
    • Howa Machinery Ltd.
    • Atsushi Okamoto
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Elastomer damper for an actuator cylinder
    • Patent number 6,186,484
    • Issue date Feb 13, 2001
    • Howa Machinery, Ltd.
    • Mitsuo Noda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    DUST-PROOF MECHANISM OF CHUCK, AND CHUCK
    • Publication number 20220184712
    • Publication date Jun 16, 2022
    • HOWA MACHINERY, LTD.
    • Hiroshi NAGAOSA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CHUCK-CLAW COUPLING MECHANISM
    • Publication number 20210379676
    • Publication date Dec 9, 2021
    • HOWA MACHINERY, LTD.
    • Hiroshi NAGAOSA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CHUCK-CLAW GUIDE STRUCTURE AND CHUCK-CLAW INSERTION METHOD
    • Publication number 20210379674
    • Publication date Dec 9, 2021
    • HOWA MACHINERY, LTD.
    • Hiroshi NAGAOSA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CHUCK GRIP ACCURACY CHECKING METHOD, CHUCK CLAW EXCHANGING METHOD,...
    • Publication number 20210308817
    • Publication date Oct 7, 2021
    • HOWA MACHINERY, LTD.
    • Hiroshi NAGAOSA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SWING-CHUCK SEALING STRUCTURE AND SWING CHUCK
    • Publication number 20210299759
    • Publication date Sep 30, 2021
    • HOWA MACHINERY, LTD.
    • Hiroshi NAGAOSA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    HAND FOR EXCHANGING CLAWS OF A CHUCK, METHOD FOR AUTOMATICALLY EXCH...
    • Publication number 20210008644
    • Publication date Jan 14, 2021
    • HOWA MACHINERY, LTD.
    • Hiroshi NAGAOSA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ROD-LESS CYLINDER EQUIPPED WITH GUIDE MECHANISM
    • Publication number 20170306991
    • Publication date Oct 26, 2017
    • Howa Machinery, Ltd.
    • Tsuyoshi YONEZAWA
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    MAGAZINE LOCK AND PORTABLE FIREARM
    • Publication number 20150338180
    • Publication date Nov 26, 2015
    • HOWA MACHINERY, LTD.
    • Kazutoshi NORO
    • F41 - WEAPONS
  • Information Patent Application

    MAGNET-TYPE RODLESS CYLINDER
    • Publication number 20150219125
    • Publication date Aug 6, 2015
    • HOWA MACHINERY, LTD.
    • Tsuyoshi Yonezawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Rotary clamp cylinder
    • Publication number 20090038471
    • Publication date Feb 12, 2009
    • HOWA MACHINERY, LTD.
    • Syuhei Tanaka
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Magnet type rodless cylinder
    • Publication number 20060207422
    • Publication date Sep 21, 2006
    • HOWA MACHINERY, LTD.
    • Akiyoshi Horikawa
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Magnet type rodless cylinder
    • Publication number 20060090641
    • Publication date May 4, 2006
    • HOWA MACHINERY, LTD.
    • Mitsuo Noda
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Safety mechanism for bolt-action firearm
    • Publication number 20040216347
    • Publication date Nov 4, 2004
    • HOWA MACHINERY, LTD.
    • Teruhiko Sato
    • F41 - WEAPONS
  • Information Patent Application

    Single-sided ring spinning frame with sliver accommodating cans, an...
    • Publication number 20010022072
    • Publication date Sep 20, 2001
    • HOWA MACHINERY, LTD.
    • Tetsuya Oketani
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Application

    Chuck for machine tool
    • Publication number 20010011800
    • Publication date Aug 9, 2001
    • HOWA MACHINERY, LTD.
    • Teruo Hanai
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Trademarklast 30 trademarks

  • Information Trademark

    85293806 - HACT
    • Serial number 85293806
    • Registration number 4313625
    • Filing date Apr 13, 2011
    • Howa Machinery, Ltd.
    • 13 - Firearms
  • Information Trademark

    75259606 - KIWAMI
    • Serial number 75259606
    • Registration number 2169265
    • Filing date Mar 18, 1997
    • HOWA MACHINERY, LTD.
    • 7 - Machines and machine tools