TREA

Shigekazu Nagai

Follow

Person

  • Ibaraki, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Automatic speed reducing ratio-switching apparatus
    • Patent number 7,628,727
    • Issue date Dec 8, 2009
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    Control system for electric actuator
    • Patent number 7,298,108
    • Issue date Nov 20, 2007
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Ball screw mechanism
    • Patent number 7,228,751
    • Issue date Jun 12, 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 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

    Vacuum generator
    • Patent number D531119
    • Issue date Oct 31, 2006
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Electric actuator and method of assembling the same
    • Patent number 7,124,657
    • Issue date Oct 24, 2006
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    Cable structure
    • Patent number 7,109,412
    • Issue date Sep 19, 2006
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • 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

    Vacuum switch
    • Patent number D520959
    • Issue date May 16, 2006
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Vacuum equipment
    • Patent number D520960
    • Issue date May 16, 2006
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Control apparatus for electric actuator
    • Patent number 7,042,187
    • Issue date May 9, 2006
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • G05 - CONTROLLING REGULATING
  • Information Patent Grant

    Suction unit
    • Patent number 7,004,522
    • Issue date Feb 28, 2006
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • 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

    Method of producing fluid unit
    • Patent number 6,983,765
    • Issue date Jan 10, 2006
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Cable structure
    • Patent number 6,974,907
    • Issue date Dec 13, 2005
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motion converter
    • Patent number D511494
    • Issue date Nov 15, 2005
    • SMC Corporation
    • Shigekazu Nagai
    • D13 - Equipment for production, distribution, or transformation of energy
  • 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...

Patents Applicationslast 30 patents

  • 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

    Automatic Speed Reducing Ratio-Switching Apparatus
    • Publication number 20070191177
    • Publication date Aug 16, 2007
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    Electric Cylinder
    • Publication number 20070062317
    • Publication date Mar 22, 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

    Control system for electric actuator
    • Publication number 20060113940
    • Publication date Jun 1, 2006
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • 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

    DC brush motor
    • Publication number 20060043817
    • Publication date Mar 2, 2006
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • 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

    Fluid circuit system
    • Publication number 20050126383
    • Publication date Jun 16, 2005
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    Vaccum-generating unit
    • Publication number 20050118032
    • Publication date Jun 2, 2005
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Control apparatus for electric actuator
    • Publication number 20050116674
    • Publication date Jun 2, 2005
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • G05 - CONTROLLING REGULATING
  • 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

    Electric actuator
    • Publication number 20050011291
    • Publication date Jan 20, 2005
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • 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

    Cable structure
    • Publication number 20040177993
    • Publication date Sep 16, 2004
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • 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

    Electric actuator
    • Publication number 20030217610
    • Publication date Nov 27, 2003
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Ball screw mechanism
    • Publication number 20030192388
    • Publication date Oct 16, 2003
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Electric actuator and method of assembling the same
    • Publication number 20030172755
    • Publication date Sep 18, 2003
    • SMC Kabushiki Kaisha
    • Shigekazu Nagai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...