TREA

Sadao Takatsuka

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  • Maebashi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Telephone
    • Patent number D284568
    • Issue date Jul 8, 1986
    • Nakayo Telecommunications, Inc.
    • Yoku Yamagami
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Telephone
    • Patent number D284078
    • Issue date Jun 3, 1986
    • Nakayo Telecommunications, Inc.
    • Yoku Yamagami
    • D14 - Recording, communication, or information retrieval equipment