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Mamoru Tsuruya

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Patents Grantslast 30 patents

  • Information Patent Grant

    Control device for controlling an electric power conversion device...
    • Patent number 11,764,668
    • Issue date Sep 19, 2023
    • Rohm Co., Ltd.
    • Tatsuya Miyazaki
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    AC power supply device
    • Patent number 11,245,342
    • Issue date Feb 8, 2022
    • Rohm Co., Ltd.
    • Hirotaka Otake
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Alternating-current power supply device with windings wound in diff...
    • Patent number 10,886,859
    • Issue date Jan 5, 2021
    • Rohm Co., Ltd.
    • Hirotaka Otake
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Direct-current power supply device with primary and secondary magne...
    • Patent number 10,819,247
    • Issue date Oct 27, 2020
    • Rohm Co., Ltd.
    • Hirotaka Otake
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power supply device
    • Patent number 9,819,275
    • Issue date Nov 14, 2017
    • Rohm Co., Ltd.
    • Hirotaka Otake
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Multiphase resonant DC/DC converter
    • Patent number 8,369,112
    • Issue date Feb 5, 2013
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC-DC converter with snubber circuit
    • Patent number 8,368,364
    • Issue date Feb 5, 2013
    • Sanken Electric Co., Ltd.
    • Hideki Asuke
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC-DC converter
    • Patent number 8,111,053
    • Issue date Feb 7, 2012
    • Sanken Electric Co., Ltd.
    • Hideki Asuke
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Current-mode controlled DC-DC converter
    • Patent number 7,915,875
    • Issue date Mar 29, 2011
    • Sanken Electric Co., Ltd.
    • Hideki Asuke
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Solid-state switch capable of bidirectional operation
    • Patent number 7,868,353
    • Issue date Jan 11, 2011
    • Sanken Electric Co., Ltd.
    • Osamu Machida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Bi-directional DC-DC converter
    • Patent number 7,638,900
    • Issue date Dec 29, 2009
    • Sanken Electric Co., Ltd.
    • Hideki Asuke
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC converter
    • Patent number 7,532,488
    • Issue date May 12, 2009
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC converter including a tertiary winding for driving synchronous r...
    • Patent number 7,525,822
    • Issue date Apr 28, 2009
    • Sanken Electric Co., Ltd.
    • Shinji Aso
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power factor improving circuit
    • Patent number 7,466,110
    • Issue date Dec 16, 2008
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power supply apparatus
    • Patent number 7,426,119
    • Issue date Sep 16, 2008
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power supply device
    • Patent number 7,405,951
    • Issue date Jul 29, 2008
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC converter
    • Patent number 7,304,868
    • Issue date Dec 4, 2007
    • Sanken Electric Co., Ltd.
    • Shinji Aso
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power source apparatus
    • Patent number 7,298,631
    • Issue date Nov 20, 2007
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC/DC converter
    • Patent number 7,276,884
    • Issue date Oct 2, 2007
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Amplifying circuit, noise reducing apparatus and power converting a...
    • Patent number 7,230,488
    • Issue date Jun 12, 2007
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC conversion apparatus
    • Patent number 7,218,535
    • Issue date May 15, 2007
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC conversion apparatus
    • Patent number 7,196,913
    • Issue date Mar 27, 2007
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power supply unit
    • Patent number 7,187,564
    • Issue date Mar 6, 2007
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power factor correction circuit
    • Patent number 7,183,753
    • Issue date Feb 27, 2007
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC/DC converter
    • Patent number 7,183,754
    • Issue date Feb 27, 2007
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    DC/DC converter
    • Patent number 7,138,787
    • Issue date Nov 21, 2006
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching power source apparatus
    • Patent number 7,130,204
    • Issue date Oct 31, 2006
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Amplifying circuit, noise reducing apparatus and power converting a...
    • Patent number 7,053,505
    • Issue date May 30, 2006
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRIC POWER CONVERSION DEVICE AND CONTROL DEVICE THEREFOR
    • Publication number 20220021299
    • Publication date Jan 20, 2022
    • Rohm Co., Ltd.
    • Tatsuya MIYAZAKI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    AC POWER SUPPLY DEVICE
    • Publication number 20210234474
    • Publication date Jul 29, 2021
    • Rohm Co., Ltd.
    • Hirotaka OTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DIRECT-CURRENT POWER SUPPLY DEVICE
    • Publication number 20190326826
    • Publication date Oct 24, 2019
    • Rohm Co., Ltd.
    • Hirotaka OTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ALTERNATING-CURRENT POWER SUPPLY DEVICE
    • Publication number 20190115851
    • Publication date Apr 18, 2019
    • Rohm Co., Ltd.
    • Hirotaka OTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER SUPPLY DEVICE
    • Publication number 20170025963
    • Publication date Jan 26, 2017
    • Rohm Co., Ltd.
    • Hirotaka OTAKE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DC-DC CONVERTER WITH SNUBBER CIRCUIT
    • Publication number 20110090716
    • Publication date Apr 21, 2011
    • Sanken Electric Co., Ltd
    • Hideki Asuke
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DC/DC CONVERTER
    • Publication number 20100220505
    • Publication date Sep 2, 2010
    • Sanken Electric Co., Ltd
    • Mamoru Tsuruya
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    BI-DIRECTIONAL DC-DC CONVERTER
    • Publication number 20090262557
    • Publication date Oct 22, 2009
    • Sanken Electric Co., Ltd
    • Hideki Asuke
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    CURRENT-MODE CONTROLLED DC-DC CONVERTER
    • Publication number 20090262555
    • Publication date Oct 22, 2009
    • Sanken Electric Co., Ltd
    • Hideki Asuke
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SOLID-STATE SWITCH CAPABLE OF BIDIRECTIONAL OPERATION
    • Publication number 20090206363
    • Publication date Aug 20, 2009
    • Sanken Electric Co., Ltd.
    • Osamu Machida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Power factor improving circuit
    • Publication number 20070103949
    • Publication date May 10, 2007
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    SWITCHING POWER SUPPLY APPARATUS
    • Publication number 20070047273
    • Publication date Mar 1, 2007
    • Sanken Electric Co., Ltd
    • Mamoru Tsuruya
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    DC/DC CONVERTER
    • Publication number 20070046270
    • Publication date Mar 1, 2007
    • Sanken Electric Co., Ltd
    • Mamoru Tsuruya
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    AMPLIFYING CIRCUIT, NOISE REDUCING APPARATUS AND POWER CONVERTING A...
    • Publication number 20060244527
    • Publication date Nov 2, 2006
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DC converter
    • Publication number 20060209571
    • Publication date Sep 21, 2006
    • Sanken Electric Co., Ltd
    • Shinji Aso
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    DC/DC converter
    • Publication number 20060208712
    • Publication date Sep 21, 2006
    • Sanken Electric Co., Ltd
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Switching power supply unit
    • Publication number 20060209582
    • Publication date Sep 21, 2006
    • Sanken Electric Co., Ltd.
    • Mamoru Tsuruya
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    DC/DC converter
    • Publication number 20060208713
    • Publication date Sep 21, 2006
    • Sanken Electric Co., Ltd
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Switching power supply apparatus
    • Publication number 20060203521
    • Publication date Sep 14, 2006
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    DC converter
    • Publication number 20060193155
    • Publication date Aug 31, 2006
    • Sanken Electric Co., Ltd
    • Shinji Aso
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    SWITCHING POWER SUPPLY APPARATUS
    • Publication number 20060187688
    • Publication date Aug 24, 2006
    • Mamoru Tsuruya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DC conversion apparatus
    • Publication number 20060139968
    • Publication date Jun 29, 2006
    • Sanken Electric Co., Ltd
    • Mamoru Tsuruya
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    DC conversion apparatus
    • Publication number 20060139969
    • Publication date Jun 29, 2006
    • Sanken Electric Co., Ltd
    • Mamoru Tsuruya
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    DC converter
    • Publication number 20060104097
    • Publication date May 18, 2006
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Switching power supply device
    • Publication number 20060018134
    • Publication date Jan 26, 2006
    • Mamoru Tsuruya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Power factor impoving circuit
    • Publication number 20050226015
    • Publication date Oct 13, 2005
    • Mamoru Tsuruya
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Amplifying circuit, noise reducing apparatus and power converting a...
    • Publication number 20050083132
    • Publication date Apr 21, 2005
    • Mamoru Tsuruya
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER