TREA

Akira Takeda

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  • Chiba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Operational amplifier
    • Patent number 8,115,539
    • Issue date Feb 14, 2012
    • Seiko Instruments Inc.
    • Toshiyuki Tsuzaki
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Amplifier circuit
    • Patent number 7,508,258
    • Issue date Mar 24, 2009
    • Seiko Instruments Inc.
    • Hirokazu Yoshizawa
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Chopper amplifier circuit and semiconductor device
    • Patent number 7,479,826
    • Issue date Jan 20, 2009
    • Seiko Instruments Inc.
    • Hirokazu Yoshizawa
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents