TREA

Kyohei YAMADA

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  • Toyohashi-shi, JP
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Patents Grantslast 30 patents

  • 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

Patents Applicationslast 30 patents

  • 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