TREA

Rikio Maruta

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  • Tokyo, JA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Offset compensating circuit
    • Patent number 4,097,860
    • Issue date Jun 27, 1978
    • Nippon Electric Co., Ltd.
    • Takashi Araseki
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    PCM-TASI signal transmission system
    • Patent number 4,048,447
    • Issue date Sep 13, 1977
    • Nippon Electric Company, Limited
    • Rikio Maruta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE