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Kohei Oasa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Semiconductor device including energy level in drift layer
    • Patent number 11,869,970
    • Issue date Jan 9, 2024
    • Kabushiki Kaisha Toshiba
    • Kohei Oasa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,810,975
    • Issue date Nov 7, 2023
    • Kabushiki Kaisha Toshiba
    • Kentaro Ichinoseki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,276,775
    • Issue date Mar 15, 2022
    • Kabushiki Kaisha Toshiba
    • Kentaro Ichinoseki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,998,437
    • Issue date May 4, 2021
    • Kabushiki Kaisha Toshiba
    • Tatsuya Ohguro
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,971,621
    • Issue date Apr 6, 2021
    • Kabushiki Kaisha Toshiba
    • Hiroaki Katou
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,763,352
    • Issue date Sep 1, 2020
    • Kabushiki Kaisha Toshiba
    • Hiroshi Matsuba
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,707,312
    • Issue date Jul 7, 2020
    • Kabushiki Kaisha Toshiba
    • Hiroshi Matsuba
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,651,276
    • Issue date May 12, 2020
    • Kabushiki Kaisha Toshiba
    • Tatsuya Nishiwaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 10,593,793
    • Issue date Mar 17, 2020
    • Kabushiki Kaisha Toshiba
    • Tatsuya Nishiwaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device having electric field near drain electrode all...
    • Patent number 10,074,739
    • Issue date Sep 11, 2018
    • Kabushiki Kaisha Toshiba
    • Akira Yoshioka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 9,917,182
    • Issue date Mar 13, 2018
    • Kabushiki Kaisha Toshiba
    • Yasunobu Saito
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 9,627,489
    • Issue date Apr 18, 2017
    • Kabushiki Kaisha Toshiba
    • Hung Hung
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 9,627,504
    • Issue date Apr 18, 2017
    • Kabushiki Kaisha Toshiba
    • Kohei Oasa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Nitride-based semiconductor device
    • Patent number 9,337,300
    • Issue date May 10, 2016
    • Kabushiki Kaisha Toshiba
    • Masahiko Kuraguchi
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SAME
    • Publication number 20240097022
    • Publication date Mar 21, 2024
    • Kabushiki Kaisha Toshiba
    • Kentaro ICHINOSEKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20240047571
    • Publication date Feb 8, 2024
    • Kabushiki Kaisha Toshiba
    • Kentaro ICHINOSEKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20230078785
    • Publication date Mar 16, 2023
    • Kabushiki Kaisha Toshiba
    • Takako MOTAI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20230085094
    • Publication date Mar 16, 2023
    • Kabushiki Kaisha Toshiba
    • Hiroki HATADA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE
    • Publication number 20220302307
    • Publication date Sep 22, 2022
    • Kabushiki Kaisha Toshiba
    • Kohei OASA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20220140137
    • Publication date May 5, 2022
    • KABUSHIKI KAISHA TOSHIBA
    • Kentaro ICHINOSEKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20220085206
    • Publication date Mar 17, 2022
    • Kabushiki Kaisha Toshiba
    • Kentaro Ichinoseki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICE AND SEMICONDUCTOR DEVICE
    • Publication number 20220085208
    • Publication date Mar 17, 2022
    • Kabushiki Kaisha Toshiba
    • Kohei OASA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20200295180
    • Publication date Sep 17, 2020
    • KABUSHIKI KAISHA TOSHIBA
    • Kentaro ICHINOSEKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20200266293
    • Publication date Aug 20, 2020
    • Kabushiki Kaisha Toshiba
    • Hiroaki Katou
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20200152785
    • Publication date May 14, 2020
    • KABUSHIKI KAISHA TOSHIBA
    • Tatsuya OHGURO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20190296116
    • Publication date Sep 26, 2019
    • Kabushiki Kaisha Toshiba
    • Hiroshi MATSUBA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20190288071
    • Publication date Sep 19, 2019
    • Kabushiki Kaisha Toshiba
    • Tatsuya NISHIWAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20190288103
    • Publication date Sep 19, 2019
    • Kabushiki Kaisha Toshiba
    • Tatsuya NISHIWAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20190259871
    • Publication date Aug 22, 2019
    • Kabushiki Kaisha Toshiba
    • Hiroshi MATSUBA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20190081173
    • Publication date Mar 14, 2019
    • Kabushiki Kaisha Toshiba
    • Tatsuya NISHIWAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20180076311
    • Publication date Mar 15, 2018
    • Kabushiki Kaisha Toshiba
    • Yasunobu SAITO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20170271495
    • Publication date Sep 21, 2017
    • Kabushiki Kaisha Toshiba
    • Akira YOSHIOKA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20160268408
    • Publication date Sep 15, 2016
    • Kabushiki Kaisha Toshiba
    • Kohei OASA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SEMICONDUCTOR...
    • Publication number 20160218067
    • Publication date Jul 28, 2016
    • Kabushiki Kaisha Toshiba
    • Shingo MASUKO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20160218189
    • Publication date Jul 28, 2016
    • Kabushiki Kaisha Toshiba
    • Kohei Oasa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20160211357
    • Publication date Jul 21, 2016
    • Kabushiki Kaisha Toshiba
    • Hung HUNG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20160211335
    • Publication date Jul 21, 2016
    • Kabushiki Kaisha Toshiba
    • Hung HUNG
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20160079406
    • Publication date Mar 17, 2016
    • Kabushiki Kaisha Toshiba
    • Kohei OASA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME
    • Publication number 20140284613
    • Publication date Sep 25, 2014
    • Kabushiki Kaisha Toshiba
    • Masahiko Kuraguchi
    • H01 - BASIC ELECTRIC ELEMENTS