TREA

Iwamasa Nishikado

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  • Yokosuka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Key telephone set
    • Patent number D314374
    • Issue date Feb 5, 1991
    • Nitsuko Limited
    • Yoshio Sasaki
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Telephone handset
    • Patent number D309726
    • Issue date Aug 7, 1990
    • Nitsuko Limited
    • Yoshio Sasaki
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Telephone handset
    • Patent number D301578
    • Issue date Jun 13, 1989
    • Nitsuko Limited
    • Yoshio Sasaki
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Key telephone set
    • Patent number D301031
    • Issue date May 9, 1989
    • Nitsuko Limited
    • Yoshio Sasaki
    • D14 - Recording, communication, or information retrieval equipment