TREA

Akihisa Himeno

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  • Hamamatsu-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Class-D amplifier
    • Patent number 8,289,075
    • Issue date Oct 16, 2012
    • Yamaha Corporation
    • Tatsuya Kishii
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Amplifying device
    • Patent number 8,159,305
    • Issue date Apr 17, 2012
    • Yamaha Corporation
    • Tatsuya Kishii
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    Amplifying device
    • Publication number 20110068866
    • Publication date Mar 24, 2011
    • Yamaha Corporation
    • Tatsuya Kishii
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Class-D amplifier
    • Publication number 20110063027
    • Publication date Mar 17, 2011
    • Yamaha Corporation
    • Tatsuya Kishii
    • H03 - BASIC ELECTRONIC CIRCUITRY