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Isao OBU

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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20240204087
    • Publication date Jun 20, 2024
    • Murata Manufacturing Co., Ltd.
    • Yasunari UMEMOTO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE WITH PROTECTIVE PROTRUSION
    • Publication number 20230395542
    • Publication date Dec 7, 2023
    • MURATA MANUFACTURING CO., LTD.
    • Kazuya KOBAYASHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20220231150
    • Publication date Jul 21, 2022
    • Murata Manufacturing Co., Ltd.
    • Yasunari UMEMOTO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20220115272
    • Publication date Apr 14, 2022
    • Murata Manufacturing Co., Ltd.
    • Yasunari UMEMOTO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    POWER AMPLIFIER MODULE
    • Publication number 20220060158
    • Publication date Feb 24, 2022
    • MURATA MANUFACTURING CO., LTD.
    • Shigeki KOYA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    BIPOLAR TRANSISTOR AND RADIO-FREQUENCY POWER AMPLIFIER MODULE
    • Publication number 20220029004
    • Publication date Jan 27, 2022
    • Murata Manufacturing Co., Ltd.
    • Isao OBU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20210359114
    • Publication date Nov 18, 2021
    • Murata Manufacturing Co., Ltd.
    • Yasunari UMEMOTO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    HETEROJUNCTION BIPOLAR TRANSISTOR INCLUDING BALLAST RESISTOR AND SE...
    • Publication number 20210320194
    • Publication date Oct 14, 2021
    • Murata Manufacturing Co., Ltd.
    • Isao OBU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE HAVING A PLURALITY OF BIPOLAR TRANSISTORS WITH...
    • Publication number 20210183854
    • Publication date Jun 17, 2021
    • Murata Manufacturing Co., Ltd.
    • Isao OBU
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND POWER AMPLIFIER MODULE
    • Publication number 20210126591
    • Publication date Apr 29, 2021
    • Murata Manufacturing Co., Ltd.
    • Isao OBU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    HETEROJUNCTION BIPOLAR TRANSISTOR
    • Publication number 20210091215
    • Publication date Mar 25, 2021
    • Murata Manufacturing Co., Ltd.
    • Yasunari Umemoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    POWER AMPLIFIER MODULE
    • Publication number 20210044256
    • Publication date Feb 11, 2021
    • MURATA MANUFACTURING CO., LTD.
    • Shigeki Koya
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR ELEMENT AND POWER AMPLIFICATION DEVICE
    • Publication number 20200402932
    • Publication date Dec 24, 2020
    • Murata Manufacturing Co., Ltd.
    • Shigeki KOYA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    POWER AMPLIFIER AND COMPOUND SEMICONDUCTOR DEVICE
    • Publication number 20200382083
    • Publication date Dec 3, 2020
    • MURATA MANUFACTURING CO., LTD.
    • Isao OBU
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    HETEROJUNCTION BIPOLAR TRANSISTOR
    • Publication number 20200373417
    • Publication date Nov 26, 2020
    • Murata Manufacturing Co., Ltd.
    • Yasunari Umemoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20200357699
    • Publication date Nov 12, 2020
    • Murata Manufacturing Co., Ltd.
    • Yasunari UMEMOTO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20200335491
    • Publication date Oct 22, 2020
    • Murata Manufacturing Co., Ltd.
    • Kenji SASAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND AMPLIFIER MODULE
    • Publication number 20200303372
    • Publication date Sep 24, 2020
    • Murata Manufacturing Co., Ltd.
    • Kenji SASAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20200287027
    • Publication date Sep 10, 2020
    • Murata Manufacturing Co., Ltd.
    • Yasunari UMEMOTO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    BIPOLAR TRANSISTOR AND RADIO-FREQUENCY POWER AMPLIFIER MODULE
    • Publication number 20200251579
    • Publication date Aug 6, 2020
    • Murata Manufacturing Co., Ltd.
    • Isao OBU
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    HETEROJUNCTION BIPOLAR TRANSISTOR
    • Publication number 20200219995
    • Publication date Jul 9, 2020
    • Murata Manufacturing Co., Ltd.
    • Yasunari Umemoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND POWER AMPLIFIER MODULE
    • Publication number 20200177140
    • Publication date Jun 4, 2020
    • Murata Manufacturing Co., Ltd.
    • Isao OBU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RADIO FREQUENCY POWER AMPLIFIER AND POWER AMPLIFIER MODULE
    • Publication number 20200091874
    • Publication date Mar 19, 2020
    • Murata Manufacturing Co., Ltd.
    • Kenji SASAKI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    HETEROJUNCTION BIPOLAR TRANSISTOR AND SEMICONDUCTOR DEVICE
    • Publication number 20200066886
    • Publication date Feb 27, 2020
    • Murata Manufacturing Co., Ltd.
    • Isao OBU
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    POWER AMPLIFIER MODULE
    • Publication number 20200052663
    • Publication date Feb 13, 2020
    • MURATA MANUFACTURING CO., LTD.
    • Shigeki KOYA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20200027876
    • Publication date Jan 23, 2020
    • Murata Manufacturing Co., Ltd.
    • Isao OBU
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR CHIP, METHOD FOR MOUNTING SEMICONDUCTOR CHIP, AND MOD...
    • Publication number 20200027805
    • Publication date Jan 23, 2020
    • MURATA MANUFACTURING CO., LTD.
    • Isao Obu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20200006265
    • Publication date Jan 2, 2020
    • MURATA MANUFACTURING CO., LTD.
    • Kazuya KOBAYASHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20190386122
    • Publication date Dec 19, 2019
    • Murata Manufacturing Co., Ltd.
    • Yasunari UMEMOTO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20190326191
    • Publication date Oct 24, 2019
    • Murata Manufacturing Co., Ltd.
    • Masao KONDO
    • H01 - BASIC ELECTRIC ELEMENTS