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Akio Saitoh

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  • Kawaguchi-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dust removing device and dust removing system
    • Patent number 11,266,280
    • Issue date Mar 8, 2022
    • SMC Corporation
    • Yoshifumi Ohtsu
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Electric actuator capable of converting rotational motion to a line...
    • Patent number 7,562,594
    • Issue date Jul 21, 2009
    • SMC Corporation
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Actuator
    • Patent number 7,520,191
    • Issue date Apr 21, 2009
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Automatic speed reducing ratio-switching apparatus
    • Patent number 7,510,495
    • Issue date Mar 31, 2009
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method for producing actuator having guide-equipped frame
    • Patent number 7,448,134
    • Issue date Nov 11, 2008
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Actuator control system
    • Patent number 7,443,121
    • Issue date Oct 28, 2008
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric cylinder with guide
    • Patent number D543221
    • Issue date May 22, 2007
    • SMC Corporation
    • Shigekazu Nagai
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Automatic speed reducing ratio-switching apparatus
    • Patent number 7,220,205
    • Issue date May 22, 2007
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electric cylinder with guide
    • Patent number D542314
    • Issue date May 8, 2007
    • SMC Corporation
    • Shigekazu Nagai
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Electric cylinder with guide
    • Patent number D540355
    • Issue date Apr 10, 2007
    • SMC Corporation
    • Shigekazu Nagai
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Actuator
    • Patent number 7,181,988
    • Issue date Feb 27, 2007
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electric actuator
    • Patent number 7,159,482
    • Issue date Jan 9, 2007
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Clamp apparatus
    • Patent number 7,111,835
    • Issue date Sep 26, 2006
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Motor controller
    • Patent number D525194
    • Issue date Jul 18, 2006
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Actuator
    • Patent number 7,066,649
    • Issue date Jun 27, 2006
    • SMC Corporation
    • Shigekazu Nagai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Actuator
    • Patent number 7,055,320
    • Issue date Jun 6, 2006
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Actuator
    • Patent number 6,988,425
    • Issue date Jan 24, 2006
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Lubricating structure for hydraulic driving apparatus
    • Patent number 6,928,922
    • Issue date Aug 16, 2005
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Actuator
    • Patent number 6,848,327
    • Issue date Feb 1, 2005
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Direct drive bearing mechanism
    • Patent number 6,672,765
    • Issue date Jan 6, 2004
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Buffering mechanism
    • Patent number 6,668,988
    • Issue date Dec 30, 2003
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Motor-driven actuator
    • Patent number 6,655,225
    • Issue date Dec 2, 2003
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Actuator
    • Patent number 6,637,314
    • Issue date Oct 28, 2003
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Actuator
    • Patent number 6,619,846
    • Issue date Sep 16, 2003
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Nut for a ball spline shaft
    • Patent number D473784
    • Issue date Apr 29, 2003
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • D08 - Tools and hardware
  • Information Patent Grant

    Electric clamp apparatus
    • Patent number 6,471,199
    • Issue date Oct 29, 2002
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Linear actuator
    • Patent number D456826
    • Issue date May 7, 2002
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Motor controller
    • Patent number D456782
    • Issue date May 7, 2002
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Electric clamp apparatus
    • Patent number 6,354,580
    • Issue date Mar 12, 2002
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Electric actuator
    • Patent number 6,344,718
    • Issue date Feb 5, 2002
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    DUST REMOVING DEVICE AND DUST REMOVING SYSTEM
    • Publication number 20200069123
    • Publication date Mar 5, 2020
    • SMC Corporation
    • Yoshifumi OHTSU
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Non-Contact Transport Apparatus
    • Publication number 20070290517
    • Publication date Dec 20, 2007
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Method for Producing Actuator Having Guide-Equipped Frame
    • Publication number 20070107228
    • Publication date May 17, 2007
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Automatic Speed Reducing Ratio-Switching Apparatus
    • Publication number 20070049453
    • Publication date Mar 1, 2007
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Vacuum unit and method for producing a filter for a vacuum unit
    • Publication number 20060278282
    • Publication date Dec 14, 2006
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Actuator
    • Publication number 20060207247
    • Publication date Sep 21, 2006
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Non-contact transport apparatus
    • Publication number 20060113719
    • Publication date Jun 1, 2006
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Actuator control system
    • Publication number 20060102697
    • Publication date May 18, 2006
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Electric actuator
    • Publication number 20060081078
    • Publication date Apr 20, 2006
    • SMC Corporation
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Automatic speed reducing ratio-switching apparatus
    • Publication number 20050272548
    • Publication date Dec 8, 2005
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Actuator
    • Publication number 20050109139
    • Publication date May 26, 2005
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Lubricating structure for hydraulic driving apparatus
    • Publication number 20050087068
    • Publication date Apr 28, 2005
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Actuator
    • Publication number 20050054468
    • Publication date Mar 10, 2005
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Actuator
    • Publication number 20050022523
    • Publication date Feb 3, 2005
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Method for producing actuator having guide-equipped frame
    • Publication number 20040216543
    • Publication date Nov 4, 2004
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Actuator
    • Publication number 20040198541
    • Publication date Oct 7, 2004
    • SMC Corporation
    • Shigekazu Nagai
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Clamp apparatus
    • Publication number 20040071563
    • Publication date Apr 15, 2004
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Application

    Electric actuator
    • Publication number 20030233896
    • Publication date Dec 25, 2003
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Actuator
    • Publication number 20030224890
    • Publication date Dec 4, 2003
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Buffering mechanism
    • Publication number 20030037629
    • Publication date Feb 27, 2003
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Direct drive bearing mechanism
    • Publication number 20020164095
    • Publication date Nov 7, 2002
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Actuator having guide-equipped frame and method for producing the same
    • Publication number 20020144561
    • Publication date Oct 10, 2002
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Actuator
    • Publication number 20020100362
    • Publication date Aug 1, 2002
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Actuator
    • Publication number 20020066327
    • Publication date Jun 6, 2002
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Electric clamp apparatus
    • Publication number 20010038175
    • Publication date Nov 8, 2001
    • Shigekazu Nagai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS