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Takashi Ohira

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  • Toyohashi-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wireless power transmission apparatus, conveyance system employing...
    • Patent number 10,790,706
    • Issue date Sep 29, 2020
    • DENSO CORPORATION
    • Masayoshi Sugino
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Transformer
    • Patent number 10,693,387
    • Issue date Jun 23, 2020
    • Sumitomo Electric Industries, Ltd
    • Hideaki Nakahata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Transformer
    • Patent number 10,320,305
    • Issue date Jun 11, 2019
    • Sumitomo Electric Industries, Ltd
    • Kenichi Hirotsu
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Transformer composed of a front stage circuit and a rear stage circuit
    • Patent number 10,122,288
    • Issue date Nov 6, 2018
    • Sumitomo Electric Industries, Ltd
    • Hideaki Nakahata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Transformer without magnetic coupling, electromagnetic induction or...
    • Patent number 10,116,197
    • Issue date Oct 30, 2018
    • Sumitomo Electric Industries, Ltd
    • Hideaki Nakahata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Distributed-constant type transformer for voltage conversion
    • Patent number 9,712,069
    • Issue date Jul 18, 2017
    • Sumitomo Electric Industries, Ltd
    • Hideaki Nakahata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion apparatus with an inverted-voltage generation circuit
    • Patent number 9,685,885
    • Issue date Jun 20, 2017
    • Sumitomo Electric Industries, Ltd
    • Kazuhiro Fujikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power inverter circuit having switching elements
    • Patent number 9,154,052
    • Issue date Oct 6, 2015
    • Sumitomo Electric Industries, Ltd
    • Kazuhiro Fujikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Transistor protection circuit
    • Patent number 9,007,738
    • Issue date Apr 14, 2015
    • Sumitomo Electric Industries, Ltd
    • Kazuhiro Fujikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching circuit and envelope signal amplifier
    • Patent number 8,917,142
    • Issue date Dec 23, 2014
    • Sumitomo Electric Industries, Ltd
    • Satoshi Hatsukawa
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Switching circuit and envelope signal amplifier
    • Patent number 8,878,604
    • Issue date Nov 4, 2014
    • Sumitomo Electric Industries, Ltd
    • Takashi Ohira
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Switching circuit
    • Patent number 8,766,699
    • Issue date Jul 1, 2014
    • Sumitomo Electric Industries, Ltd
    • Kazuhiro Fujikawa
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Switching circuit
    • Patent number 8,760,223
    • Issue date Jun 24, 2014
    • Sumitomo Electric Industries, Ltd
    • Kazuhiro Fujikawa
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Switching circuit
    • Patent number 8,536,930
    • Issue date Sep 17, 2013
    • Sumitomo Electric Industries, Ltd
    • Satoshi Hatsukawa
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    WIRELESS POWER TRANSMISSION APPARATUS, CONVEYANCE SYSTEM EMPLOYING...
    • Publication number 20190103769
    • Publication date Apr 4, 2019
    • DENSO CORPORATION
    • Masayoshi SUGINO
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    TRANSFORMER
    • Publication number 20170294829
    • Publication date Oct 12, 2017
    • Sumitomo Electric Industries, Ltd.
    • Hideaki Nakahata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    TRANSFORMER
    • Publication number 20170288559
    • Publication date Oct 5, 2017
    • Sumitomo Electric Industries, Ltd.
    • Hideaki Nakahata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    TRANSFORMER
    • Publication number 20160211760
    • Publication date Jul 21, 2016
    • Sumitomo Electric Industries, Ltd.
    • Kenichi HIROTSU
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    TRANSFORMER
    • Publication number 20160204708
    • Publication date Jul 14, 2016
    • Sumitomo Electric Industries, Ltd.
    • Hideaki NAKAHATA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    TRANSFORMER
    • Publication number 20160181937
    • Publication date Jun 23, 2016
    • Sumitomo Electric Industries, Ltd.
    • Hideaki NAKAHATA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERSION APPARATUS
    • Publication number 20160149513
    • Publication date May 26, 2016
    • Sumitomo Electric Industries, Ltd.
    • Kazuhiro FUJIKAWA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER INVERTER CIRCUIT
    • Publication number 20130279229
    • Publication date Oct 24, 2013
    • National University Corporation Toyohashi University of Technology
    • Kazuhiro Fujikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SWITCHING CIRCUIT AND ENVELOPE SIGNAL AMPLIFIER
    • Publication number 20130135046
    • Publication date May 30, 2013
    • National University Corporation Toyohashi University of Technology
    • Satoshi Hatsukawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    TRANSISTOR PROTECTION CIRCUIT
    • Publication number 20130120890
    • Publication date May 16, 2013
    • National University Corporation Toyohashi University of Technology
    • Kazuhiro FUJIKAWA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SWITCHING CIRCUIT AND ENVELOPE SIGNAL AMPLIFIER
    • Publication number 20130049862
    • Publication date Feb 28, 2013
    • National University Corporation Toyohashi University of Technology
    • Takashi Ohira
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SWITCHING CIRCUIT
    • Publication number 20120326774
    • Publication date Dec 27, 2012
    • National University Corporation Toyohashi University of Technology
    • Satoshi HATSUKAWA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SWITCHING CIRCUIT
    • Publication number 20120306563
    • Publication date Dec 6, 2012
    • National University Corporation Toyohashi University of Technology
    • Kazuhiro FUJIKAWA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SWITCHING CIRCUIT
    • Publication number 20120306288
    • Publication date Dec 6, 2012
    • National University Corporation Toyohashi University of Technology
    • Kazuhiro Fujikawa
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC