TREA

Harutada Ohya

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multiplex transmission system
    • Patent number 4,771,423
    • Issue date Sep 13, 1988
    • Oki Electric Industry Co., Ltd.
    • Harutada Ohya
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multiplex transmission system
    • Patent number 4,747,097
    • Issue date May 24, 1988
    • Oki Electric Industry Co., Ltd.
    • Harutada Ohya
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE