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Takeshi Togawa

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  • Hamamatsu, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Class D amplifier
    • Patent number 11,245,368
    • Issue date Feb 8, 2022
    • Yamaha Corporation
    • Takeshi Togawa
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Amplifying device
    • Patent number 11,101,779
    • Issue date Aug 24, 2021
    • Yamaha Corporation
    • Takeshi Togawa
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Amplifying device and controlling method therefor
    • Patent number 10,978,998
    • Issue date Apr 13, 2021
    • Yamaha Corporation
    • Takeshi Togawa
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Self-oscillating class D amplifier
    • Patent number 10,038,416
    • Issue date Jul 31, 2018
    • Yamaha Corporation
    • Takeshi Togawa
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Class-D power amplifier
    • Patent number 9,634,623
    • Issue date Apr 25, 2017
    • Yamaha Corporation
    • Takeshi Togawa
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Class-D power amplifier
    • Patent number 8,618,881
    • Issue date Dec 31, 2013
    • Yamaha Corporation
    • Toshiro Mayuzumi
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    Amplifying Device and Controlling Method Therefor
    • Publication number 20200127606
    • Publication date Apr 23, 2020
    • Yamaha Corporation
    • Takeshi TOGAWA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Amplifying Device
    • Publication number 20200127621
    • Publication date Apr 23, 2020
    • Yamaha Corporation
    • Takeshi TOGAWA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Class D Amplifier
    • Publication number 20190222182
    • Publication date Jul 18, 2019
    • Yamaha Corporation
    • Takeshi TOGAWA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    SELF-OSCILLATING CLASS D AMPLIFIER
    • Publication number 20170279421
    • Publication date Sep 28, 2017
    • Yamaha Corporation
    • Takeshi TOGAWA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    BTL OUTPUT SELF-OSCILLATING CLASS D AMPLIFIER
    • Publication number 20170279422
    • Publication date Sep 28, 2017
    • Yamaha Corporation
    • Takeshi TOGAWA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    CLASS-D POWER AMPLIFIER
    • Publication number 20140301577
    • Publication date Oct 9, 2014
    • Takeshi TOGAWA
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    CLASS-D POWER AMPLIFIER
    • Publication number 20110227645
    • Publication date Sep 22, 2011
    • Yamaha Corporation
    • Toshiro MAYUZUMI
    • H03 - BASIC ELECTRONIC CIRCUITRY