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Katsuhito Watanabe

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  • Warabi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Credit card handset telephone and stand instrument
    • Patent number D292206
    • Issue date Oct 6, 1987
    • Oki America, Inc.
    • Katsuhito Watanabe
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Handset for mobile telephone
    • Patent number D291199
    • Issue date Aug 4, 1987
    • Oki America, Inc.
    • Katsuhito Watanabe
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Portable handset radio telephone
    • Patent number D289044
    • Issue date Mar 31, 1987
    • Oki America, Inc.
    • Katsuhito Watanabe
    • D14 - Recording, communication, or information retrieval equipment