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Masafumi SUGAWARA

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  • Chiyoda-ku, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electromagnetic actuator
    • Patent number 10,488,173
    • Issue date Nov 26, 2019
    • Mitsubishi Electric Corporation
    • Masafumi Sugawara
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Electric power semiconductor device
    • Patent number 9,433,075
    • Issue date Aug 30, 2016
    • Mitsubishi Electric Corporation
    • Junji Fujino
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Brushless motor
    • Patent number 8,384,257
    • Issue date Feb 26, 2013
    • Mitsubishi Electric Corporation
    • Hiroyuki Kinugawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Insulating motor housing
    • Patent number 7,579,732
    • Issue date Aug 25, 2009
    • Mitsubishi Cable Industries, Ltd.
    • Shinji Yamaguchi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Displacement sensor and solenoid valve driver
    • Patent number 6,916,005
    • Issue date Jul 12, 2005
    • Mitsubishi Denki Kabushiki Kaisha
    • Kazutaka Seo
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Method of forming laminated core and electromagnetic type valve dri...
    • Patent number 6,732,998
    • Issue date May 11, 2004
    • Mitsubishi Denki Kabushiki Kaisha
    • Masafumi Sugawara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Variable valve lift device
    • Patent number 6,729,282
    • Issue date May 4, 2004
    • Mitsubishi Denki Kabushiki Kaisha
    • Masafumi Sugawara
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Apparatus for adjusting valve lift
    • Patent number 6,520,135
    • Issue date Feb 18, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Masafumi Sugawara
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve lift control device
    • Patent number 6,457,445
    • Issue date Oct 1, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Masafumi Sugawara
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane type hydraulic actuator
    • Patent number 6,332,439
    • Issue date Dec 25, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Mutsuo Sekiya
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Lock mechanism for valve timing regulation device
    • Patent number 6,311,657
    • Issue date Nov 6, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Masafumi Sugawara
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Vane type hydraulic actuator
    • Patent number 6,302,072
    • Issue date Oct 16, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Mutsuo Sekiya
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic apparatus for adjusting the timing of opening and closing...
    • Patent number 6,173,687
    • Issue date Jan 16, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Katsuyuki Fukuhara
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Hydraulic valve timing adjusting apparatus
    • Patent number 5,957,098
    • Issue date Sep 28, 1999
    • Mitsubishi Denki Kabushiki Kaisha
    • Katsuyuki Fukuhara
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary hydraulic actuator including groove-like fluid supply paths...
    • Patent number 5,839,346
    • Issue date Nov 24, 1998
    • Mitsubishi Denki Kabushiki Kaisha
    • Mutsuo Sekiya
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotary hydraulic actuator
    • Patent number 5,813,316
    • Issue date Sep 29, 1998
    • Mitsubishi Denki Kabushiki Kaisha
    • Mutsuo Sekiya
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTROMAGNETIC ACTUATOR
    • Publication number 20180172478
    • Publication date Jun 21, 2018
    • Mitsubishi Electric Corporation
    • Masafumi SUGAWARA
    • G01 - MEASURING TESTING
  • Information Patent Application

    ELECTROMAGNETIC ACTUATOR
    • Publication number 20180087887
    • Publication date Mar 29, 2018
    • Mitsubishi Electric Corporation
    • Masafumi SUGAWARA
    • G01 - MEASURING TESTING
  • Information Patent Application

    ELECTRIC POWER SEMICONDUCTOR DEVICE
    • Publication number 20150223316
    • Publication date Aug 6, 2015
    • MITSUBISHI ELECTRIC CORPORATION
    • Junji Fujino
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    BRUSHLESS MOTOR
    • Publication number 20100133935
    • Publication date Jun 3, 2010
    • Hiroyuki Kinugawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    INSULATING MOTOR HOUSING
    • Publication number 20080150377
    • Publication date Jun 26, 2008
    • MITSUBISHI CABLE INDUSTRIES, LTD.
    • Shinji YAMAGUCHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Displacement sensor and solenoid valve driver
    • Publication number 20040011979
    • Publication date Jan 22, 2004
    • Kazutaka Seo
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Variable valve lift device
    • Publication number 20030047154
    • Publication date Mar 13, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Masafumi Sugawara
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Method of forming laminated core and electromagnetic type valve dri...
    • Publication number 20030042455
    • Publication date Mar 6, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Masafumi Sugawara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Apparatus for adjusting valve lift
    • Publication number 20020152974
    • Publication date Oct 24, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Masafumi Sugawara
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Vane type hydraulic actuator
    • Publication number 20010039932
    • Publication date Nov 15, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Mutsuo Sekiya
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Lock mechanism for valve timing regulation device
    • Publication number 20010011534
    • Publication date Aug 9, 2001
    • Masafumi Sugawara
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC