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Masahiro KOYAMA

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  • Kawasaki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic circuit and method
    • Patent number 11,804,781
    • Issue date Oct 31, 2023
    • Kabushiki Kaisha Toshiba
    • Masahiro Koyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Power conversion circuit and power conversion device
    • Patent number 11,527,965
    • Issue date Dec 13, 2022
    • Kabushiki Kaisha Toshiba
    • Yusuke Hayashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Semiconductor device and semiconductor package
    • Patent number 10,720,914
    • Issue date Jul 21, 2020
    • Kabushiki Kaisha Toshiba
    • Masahiro Koyama
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,651,161
    • Issue date May 12, 2020
    • Kabushiki Kaisha Toshiba
    • Masahiro Koyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,573,735
    • Issue date Feb 25, 2020
    • Kabushiki Kaisha Toshiba
    • Masahiro Koyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,158,012
    • Issue date Dec 18, 2018
    • Kabushiki Kaisha Toshiba
    • Masahiro Koyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,103,231
    • Issue date Oct 16, 2018
    • Kabushiki Kaisha Toshiba
    • Masahiro Koyama
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20240088109
    • Publication date Mar 14, 2024
    • Kabushiki Kaisha Toshiba
    • Masahiko KURAGUCHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTRONIC CIRCUIT AND METHOD
    • Publication number 20230080361
    • Publication date Mar 16, 2023
    • Kabushiki Kaisha Toshiba
    • Masahiro KOYAMA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    POWER CONVERSION CIRCUIT AND POWER CONVERSION DEVICE
    • Publication number 20220286061
    • Publication date Sep 8, 2022
    • Kabushiki Kaisha Toshiba
    • Yusuke HAYASHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    CURRENT INTERRUPTING DEVICE AND TRANSISTOR SELECTING METHOD
    • Publication number 20200335968
    • Publication date Oct 22, 2020
    • KABUSHIKI KAISHA TOSHIBA
    • Yusuke HAYASHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND SEMICONDUCTOR PACKAGE
    • Publication number 20200220534
    • Publication date Jul 9, 2020
    • KABUSHIKI KAISHA TOSHIBA
    • Masahiro KOYAMA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20190164943
    • Publication date May 30, 2019
    • KABUSHIKI KAISHA TOSHIBA
    • Masahiro KOYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20180366571
    • Publication date Dec 20, 2018
    • KABUSHIKI KAISHA TOSHIBA
    • Masahiro Koyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20180212046
    • Publication date Jul 26, 2018
    • KABUSHIKI KAISHA TOSHIBA
    • Masahiro KOYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20180076291
    • Publication date Mar 15, 2018
    • KABUSHIKI KAISHA TOSHIBA
    • Masahiro KOYAMA
    • H01 - BASIC ELECTRIC ELEMENTS