TREA

Masaru Sekiguchi

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Current cell type digital-to-analog converter
    • Patent number 7,068,978
    • Issue date Jun 27, 2006
    • Oki Electric Industry Co., Ltd.
    • Masaru Sekiguchi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Current cell matrix type digital-to-analog converter
    • Patent number 7,064,699
    • Issue date Jun 20, 2006
    • Oki Electric Industry Co., Ltd.
    • Masaru Sekiguchi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Digital / analog converter
    • Patent number 6,747,587
    • Issue date Jun 8, 2004
    • Oki Electric Industry Co., Ltd.
    • Masaru Sekiguchi
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Feeder circuit
    • Patent number 6,639,984
    • Issue date Oct 28, 2003
    • Oki Electric Industry Co., Ltd.
    • Takashi Taya
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electronic inductance circuit
    • Patent number 6,087,823
    • Issue date Jul 11, 2000
    • Oki Electric Industry Co., Ltd.
    • Masaru Sekiguchi
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents