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Shigeki Koya

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Patents Grantslast 30 patents

  • Information Patent Grant

    Power amplification circuit
    • Patent number 12,308,809
    • Issue date May 20, 2025
    • Murata Manufacturing Co., Ltd.
    • Shigeki Koya
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Power amplifier
    • Patent number 12,262,556
    • Issue date Mar 25, 2025
    • Murata Manufacturing Co., Ltd.
    • Shaojun Ma
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Semiconductor device
    • Patent number 12,040,323
    • Issue date Jul 16, 2024
    • Murata Manufacturing Co., Ltd.
    • Yasunari Umemoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 12,009,359
    • Issue date Jun 11, 2024
    • Murata Manufacturing Co., Ltd.
    • Shinnosuke Takahashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Radio-frequency power-amplifying element
    • Patent number 11,990,873
    • Issue date May 21, 2024
    • Murata Manufacturing Co., Ltd.
    • Yasunari Umemoto
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Semiconductor package, semiconductor device, semiconductor package-...
    • Patent number 11,984,380
    • Issue date May 14, 2024
    • Murata Manufacturing Co., Ltd.
    • Masao Kondo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Bipolar transistor and radio-frequency power amplifier module
    • Patent number 11,978,786
    • Issue date May 7, 2024
    • Murata Manufacturing Co., Ltd.
    • Isao Obu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,949,003
    • Issue date Apr 2, 2024
    • Murata Manufacturing Co., Ltd.
    • Yasunari Umemoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multilayer wiring substrate
    • Patent number 11,871,513
    • Issue date Jan 9, 2024
    • Murata Manufacturing Co., Ltd.
    • Masao Kondo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Compound semiconductor device
    • Patent number 11,869,957
    • Issue date Jan 9, 2024
    • Murata Manufacturing Co., Ltd.
    • Kenji Sasaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Unit cell and power amplifier module
    • Patent number 11,830,917
    • Issue date Nov 28, 2023
    • Murata Manufacturing Co., Ltd.
    • Yasunari Umemoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,817,356
    • Issue date Nov 14, 2023
    • Murata Manufacturing Co., Ltd.
    • Yasunari Umemoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,784,245
    • Issue date Oct 10, 2023
    • Murata Manufacturing Co., Ltd.
    • Kenji Sasaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Amplifier module
    • Patent number 11,769,702
    • Issue date Sep 26, 2023
    • Murata Manufacturing Co., Ltd.
    • Shigeki Koya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Power amplifier module
    • Patent number 11,705,875
    • Issue date Jul 18, 2023
    • Murata Manufacturing Co., Ltd.
    • Shigeki Koya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Heterojunction bipolar transistor
    • Patent number 11,705,509
    • Issue date Jul 18, 2023
    • Murata Manufacturing Co., Ltd.
    • Yasunari Umemoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device having a plurality of bipolar transistors with...
    • Patent number 11,658,180
    • Issue date May 23, 2023
    • Murata Manufacturing Co., Ltd.
    • Isao Obu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,631,758
    • Issue date Apr 18, 2023
    • Murata Manufacturing Co., Ltd.
    • Yasunari Umemoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,626,511
    • Issue date Apr 11, 2023
    • Murata Manufacturing Co., Ltd.
    • Isao Obu
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,610,883
    • Issue date Mar 21, 2023
    • Murata Manufacturing Co., Ltd.
    • Shigeki Koya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Compound semiconductor device
    • Patent number 11,508,834
    • Issue date Nov 22, 2022
    • Murata Manufacturing Co., Ltd.
    • Kenji Sasaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Bipolar transistor and method for producing the same
    • Patent number 11,508,835
    • Issue date Nov 22, 2022
    • Murata Manufacturing Co., Ltd.
    • Yasunari Umemoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,495,563
    • Issue date Nov 8, 2022
    • Murata Manufacturing Co., Ltd.
    • Masao Kondo
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Power amplifier module
    • Patent number 11,476,807
    • Issue date Oct 18, 2022
    • Murata Manufacturing Co., Ltd.
    • Shigeki Koya
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Heterojunction bipolar transistor
    • Patent number 11,424,350
    • Issue date Aug 23, 2022
    • Murata Manufacturing Co., Ltd.
    • Yasunari Umemoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device
    • Patent number 11,329,146
    • Issue date May 10, 2022
    • Murata Manufacturing Co., Ltd.
    • Yasunari Umemoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor element and power amplification device
    • Patent number 11,289,434
    • Issue date Mar 29, 2022
    • Murata Manufacturing Co., Ltd.
    • Shigeki Koya
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Semiconductor device and amplifier module
    • Patent number 11,276,689
    • Issue date Mar 15, 2022
    • Murata Manufacturing Co., Ltd.
    • Kenji Sasaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Bipolar transistor and method for producing the same
    • Patent number 11,251,290
    • Issue date Feb 15, 2022
    • Murata Manufacturing Co., Ltd.
    • Yasunari Umemoto
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multilayer wiring substrate
    • Patent number 11,240,912
    • Issue date Feb 1, 2022
    • Murata Manufacturing Co., Ltd.
    • Masao Kondo
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    SWITCHING POWER SOURCE DEVICE EQUIPPED WITH COMPOSITE POWER INDUCTOR
    • Publication number 20250210247
    • Publication date Jun 26, 2025
    • Murata Manufacturing Co., Ltd.
    • Shigeki KOYA
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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 MODULE AND SEMICONDUCTOR DEVICE
    • Publication number 20240096792
    • Publication date Mar 21, 2024
    • Murata Manufacturing Co., Ltd.
    • Satoshi GOTO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE AND SEMICONDUCTOR MODULE
    • Publication number 20240014296
    • Publication date Jan 11, 2024
    • Murata Manufacturing Co., Ltd.
    • Shigeki KOYA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20240014297
    • Publication date Jan 11, 2024
    • Murata Manufacturing Co., Ltd.
    • Shaojun MA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    POWER AMPLIFIER
    • Publication number 20230318543
    • Publication date Oct 5, 2023
    • Murata Manufacturing Co., Ltd.
    • Shigeki KOYA
    • 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

    POWER AMPLIFIER
    • Publication number 20220190124
    • Publication date Jun 16, 2022
    • Murata Manufacturing Co., Ltd.
    • Shaojun MA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20220157808
    • Publication date May 19, 2022
    • Murata Manufacturing Co., Ltd.
    • Shinnosuke TAKAHASHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    BIPOLAR TRANSISTOR AND METHOD FOR PRODUCING THE SAME
    • Publication number 20220130983
    • Publication date Apr 28, 2022
    • Murata Manufacturing Co., Ltd.
    • Yasunari UMEMOTO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    MULTILAYER WIRING SUBSTRATE
    • Publication number 20220124908
    • Publication date Apr 21, 2022
    • Murata Manufacturing Co., Ltd.
    • Masao KONDO
    • 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 AMPLIFICATION CIRCUIT
    • Publication number 20220103143
    • Publication date Mar 31, 2022
    • MURATA MANUFACTURING CO., LTD.
    • Shigeki KOYA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20220059527
    • Publication date Feb 24, 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

    SEMICONDUCTOR PACKAGE, SEMICONDUCTOR DEVICE, SEMICONDUCTOR PACKAGE-...
    • Publication number 20220059427
    • Publication date Feb 24, 2022
    • Murata Manufacturing Co., Ltd.
    • Masao KONDO
    • 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

    COMPOUND SEMICONDUCTOR DEVICE
    • Publication number 20210367066
    • Publication date Nov 25, 2021
    • Murata Manufacturing Co., Ltd.
    • Kenji SASAKI
    • 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

    AMPLIFIER MODULE
    • Publication number 20210327775
    • Publication date Oct 21, 2021
    • Murata Manufacturing Co., Ltd.
    • Shigeki KOYA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    RADIO-FREQUENCY POWER-AMPLIFYING ELEMENT
    • Publication number 20210257973
    • Publication date Aug 19, 2021
    • Murata Manufacturing Co., Ltd.
    • Yasunari UMEMOTO
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    BIPOLAR TRANSISTOR AND METHOD FOR PRODUCING THE SAME
    • Publication number 20210234026
    • Publication date Jul 29, 2021
    • Murata Manufacturing Co., Ltd.
    • Yasunari UMEMOTO
    • 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
    • Publication number 20210134788
    • Publication date May 6, 2021
    • Murata Manufacturing Co., Ltd.
    • Shigeki KOYA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SEMICONDUCTOR DEVICE
    • Publication number 20210098403
    • Publication date Apr 1, 2021
    • Murata Manufacturing Co., Ltd.
    • Masao KONDO
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    UNIT CELL AND POWER AMPLIFIER MODULE
    • Publication number 20210098585
    • Publication date Apr 1, 2021
    • Murata Manufacturing Co., Ltd.
    • Yasunari UMEMOTO
    • 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

    SEMICONDUCTOR DEVICE
    • Publication number 20210083080
    • Publication date Mar 18, 2021
    • Murata Manufacturing Co., Ltd.
    • Kenji SASAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    COMPOUND SEMICONDUCTOR DEVICE
    • Publication number 20210066479
    • Publication date Mar 4, 2021
    • Murata Manufacturing Co., Ltd.
    • Kenji SASAKI
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

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