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Ryohei Gejo

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Patents Grantslast 30 patents

  • Information Patent Grant

    Semiconductor device
    • Patent number 12,107,159
    • Issue date Oct 1, 2024
    • Kabushiki Kaisha Toshiba
    • Yusuke Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device and semiconductor circuit
    • Patent number 11,955,477
    • Issue date Apr 9, 2024
    • Kabushiki Kaisha Toshiba
    • Tomoko Matsudai
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Drive device and semiconductor module
    • Patent number 11,923,851
    • Issue date Mar 5, 2024
    • Kabushiki Kaisha Toshiba
    • Tatsunori Sakano
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Method for controlling semiconductor device
    • Patent number 11,837,654
    • Issue date Dec 5, 2023
    • Kabushiki Kaisha Toshiba
    • Ryohei Gejo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Trench gate IGBT with carrier trap under the control electrode
    • Patent number 11,824,056
    • Issue date Nov 21, 2023
    • Kabushiki Kaisha Toshiba
    • Ryohei Gejo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device and semiconductor module
    • Patent number 11,784,246
    • Issue date Oct 10, 2023
    • Kabushiki Kaisha Toshiba
    • Ryohei Gejo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,777,028
    • Issue date Oct 3, 2023
    • Kabushiki Kaisha Toshiba
    • Yusuke Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,777,025
    • Issue date Oct 3, 2023
    • Kabushika Kaisha Toshiba
    • Yusuke Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method for controlling semiconductor device
    • Patent number 11,563,112
    • Issue date Jan 24, 2023
    • Kabushiki Kaisha Toshiba
    • Ryohei Gejo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,462,633
    • Issue date Oct 4, 2022
    • Kabushiki Kaisha Toshiba
    • Ryohei Gejo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,380,790
    • Issue date Jul 5, 2022
    • Kabushiki Kaisha Toshiba
    • Yusuke Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method for controlling semiconductor device
    • Patent number 11,374,563
    • Issue date Jun 28, 2022
    • Kabushiki Kaisha Toshiba
    • Tatsunori Sakano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,335,787
    • Issue date May 17, 2022
    • Kabushiki Kaisha Toshiba
    • Tatsunori Sakano
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,296,076
    • Issue date Apr 5, 2022
    • Kabushiki Kaisha Toshiba
    • Ryohei Gejo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,756,181
    • Issue date Aug 25, 2020
    • Kabushiki Kaisha Toshiba
    • Akiyo Kawakami
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    IGBT semiconductor device
    • Patent number 10,727,225
    • Issue date Jul 28, 2020
    • Kabushiki Kaisha Toshiba
    • Ryohei Gejo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,700,184
    • Issue date Jun 30, 2020
    • Kabushiki Kaisha Toshiba
    • Tomohiro Tamaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,636,898
    • Issue date Apr 28, 2020
    • Kabushiki Kaisha Toshiba
    • Ryohei Gejo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device having IGBT portion and diode portion
    • Patent number 10,418,470
    • Issue date Sep 17, 2019
    • Kabushiki Kaisha Toshiba
    • Ryohei Gejo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,297,593
    • Issue date May 21, 2019
    • Kabushiki Kaisha Toshiba
    • Ryohei Gejo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,083,957
    • Issue date Sep 25, 2018
    • Kabushiki Kaisha Toshiba
    • Tomohiro Tamaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device and method of manufacturing semiconductor device
    • Patent number 9,761,582
    • Issue date Sep 12, 2017
    • Kabushiki Kaisha Toshiba
    • Ryohei Gejo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 9,324,815
    • Issue date Apr 26, 2016
    • Kabushiki Kaisha Toshiba
    • Tsuneo Ogura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 9,159,722
    • Issue date Oct 13, 2015
    • Kabushiki Kaisha Toshiba
    • Tsuneo Ogura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 9,054,066
    • Issue date Jun 9, 2015
    • Kabushiki Kaisha Toshiba
    • Tsuneo Ogura
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20240322021
    • Publication date Sep 26, 2024
    • Kabushiki Kaisha Toshiba
    • Yoko IWAKAJI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20240297153
    • Publication date Sep 5, 2024
    • Kabushiki Kaisha Toshiba
    • Satoshi YOSHIDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20240290781
    • Publication date Aug 29, 2024
    • Kabushiki Kaisha Toshiba
    • Takahiro KATO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20240290840
    • Publication date Aug 29, 2024
    • Kabushiki Kaisha Toshiba
    • Ryohei GEJO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20240290874
    • Publication date Aug 29, 2024
    • Kabushiki Kaisha Toshiba
    • Kazushi MAEDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND SEMICONDUCTOR CIRCUIT
    • Publication number 20240203983
    • Publication date Jun 20, 2024
    • Kabushiki Kaisha Toshiba
    • Tomoko MATSUDAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20240088220
    • Publication date Mar 14, 2024
    • Kabushiki Kaisha Toshiba
    • Ryohei GEJO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20240079448
    • Publication date Mar 7, 2024
    • Kabushiki Kaisha Toshiba
    • Yoko IWAKAJI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR PACKAGE
    • Publication number 20240055386
    • Publication date Feb 15, 2024
    • Kabushiki Kaisha Toshiba
    • Satoshi YOSHIDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND SEMICONDUCTOR CIRCUIT
    • Publication number 20230307444
    • Publication date Sep 28, 2023
    • Kabushiki Kaisha Toshiba
    • Tomoko MATSUDAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING
    • Publication number 20230299178
    • Publication date Sep 21, 2023
    • Kabushiki Kaisha Toshiba
    • Tatsuya NISHIWAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20230268428
    • Publication date Aug 24, 2023
    • Kabushiki Kaisha Toshiba
    • Ryohei GEJO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20230253485
    • Publication date Aug 10, 2023
    • Kabushiki Kaisha Toshiba
    • Takahiro KATO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    DRIVE DEVICE AND SEMICONDUCTOR MODULE
    • Publication number 20230238944
    • Publication date Jul 27, 2023
    • Kabushiki Kaisha Toshiba
    • Tatsunori SAKANO
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20230223464
    • Publication date Jul 13, 2023
    • Kabushiki Kaisha Toshiba
    • Ryohei GEJO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHOD FOR CONTROLLING SEMICONDUCTOR DEVICE
    • Publication number 20230123438
    • Publication date Apr 20, 2023
    • Kabushiki Kaisha Toshiba
    • Ryohei GEJO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND SEMICONDUCTOR CIRCUIT
    • Publication number 20230031686
    • Publication date Feb 2, 2023
    • Kabushiki Kaisha Toshiba
    • Yoko IWAKAJI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND SEMICONDUCTOR MODULE
    • Publication number 20230006057
    • Publication date Jan 5, 2023
    • Kabushiki Kaisha Toshiba
    • Ryohei GEJO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20220293785
    • Publication date Sep 15, 2022
    • Kabushiki Kaisha Toshiba
    • Yusuke KOBAYASHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20220246606
    • Publication date Aug 4, 2022
    • Kabushiki Kaisha Toshiba
    • Ryohei GEJO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20220190154
    • Publication date Jun 16, 2022
    • Kabushiki Kaisha Toshiba
    • Yusuke KOBAYASHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND SEMICONDUCTOR MODULE
    • Publication number 20220140120
    • Publication date May 5, 2022
    • Kabushiki Kaisha Toshiba
    • Ryohei GEJO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20210391458
    • Publication date Dec 16, 2021
    • Kabushiki Kaisha Toshiba
    • Yusuke KOBAYASHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHOD FOR CONTROLLING SEMICONDUCTOR DEVICE
    • Publication number 20210281258
    • Publication date Sep 9, 2021
    • Kabushiki Kaisha Toshiba
    • Tatsunori SAKANO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20210242336
    • Publication date Aug 5, 2021
    • Kabushiki Kaisha Toshiba
    • Ryohei GEJO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20210242341
    • Publication date Aug 5, 2021
    • Kabushiki Kaisha Toshiba
    • Yusuke KOBAYASHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHOD FOR CONTROLLING SEMICONDUCTOR DEVICE
    • Publication number 20210134991
    • Publication date May 6, 2021
    • Kabushiki Kaisha Toshiba
    • Ryohei GEJO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20210134791
    • Publication date May 6, 2021
    • Kabushiki Kaisha Toshiba
    • Ryohei GEJO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20210126100
    • Publication date Apr 29, 2021
    • Kabushiki Kaisha Toshiba
    • Tatsunori SAKANO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20200295133
    • Publication date Sep 17, 2020
    • KABUSHIKI KAISHA TOSHIBA
    • Akiyo KAWAKAMI
    • H01 - BASIC ELECTRIC ELEMENTS