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Toshiaki Okumura

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  • Osaka-shi, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    POWER CONVERSION DEVICE AND METHOD FOR DETERMINING OPERATIONAL STAT...
    • Publication number 20190181635
    • Publication date Jun 13, 2019
    • Sumitomo Electric Industries, Ltd.
    • Toshiaki Okumura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERSION DEVICE AND CONTROL METHOD FOR SAME
    • Publication number 20190044428
    • Publication date Feb 7, 2019
    • Sumitomo Electric Industries, Ltd.
    • Toshiaki Okumura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CONVERSION DEVICE AND METHOD FOR CONTROLLING THE SAME
    • Publication number 20180166979
    • Publication date Jun 14, 2018
    • Sumitomo Electric Industries, Ltd.
    • Yusuke SHIMIZU
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CONVERSION DEVICE
    • Publication number 20170229978
    • Publication date Aug 10, 2017
    • Sumitomo Electric Industries, Ltd.
    • Naoki Ayai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERSION DEVICE AND THREE-PHASE AC POWER SUPPLY DEVICE
    • Publication number 20170133921
    • Publication date May 11, 2017
    • Sumitomo Electric Industries, Ltd.
    • Toshiaki Okumura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERSION DEVICE AND THREE-PHASE AC POWER SUPPLY DEVICE
    • Publication number 20170104422
    • Publication date Apr 13, 2017
    • Sumitomo Electric Industries, Ltd.
    • Toshiaki Okumura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CONVERSION DEVICE
    • Publication number 20160268890
    • Publication date Sep 15, 2016
    • Naoki Ayai
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    INVERTER DEVICE
    • Publication number 20160126742
    • Publication date May 5, 2016
    • Sumitomo Electric Industries, Ltd.
    • Naoki AYAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    INVERTER DEVICE
    • Publication number 20160126863
    • Publication date May 5, 2016
    • Sumitomo Electric Industries, Ltd.
    • Naoki AYAI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER