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Ken Yamamura

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  • Sagamihara-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Digital switching amplifier
    • Patent number 7,330,069
    • Issue date Feb 12, 2008
    • Asahi Kasei Microsystems Co., Ltd.
    • Ken Yamamura
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    D/A converter and delta-sigma D/A converter
    • Patent number 6,693,574
    • Issue date Feb 17, 2004
    • Asahi Kasei Microsystems Co., Ltd.
    • Ken Yamamura
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    Digital switching amplifier
    • Publication number 20060202754
    • Publication date Sep 14, 2006
    • Asahi Kasei Microsystems Co., Ltd.
    • Ken Yamamura
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    D/A converter and delta-sigma D/A converter
    • Publication number 20030179122
    • Publication date Sep 25, 2003
    • Asahi Kasei Microsystems Co., Ltd.
    • Ken Yamamura
    • H03 - BASIC ELECTRONIC CIRCUITRY