TREA

Toshio Nagase

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Check digit calculator
    • Patent number 4,419,572
    • Issue date Dec 6, 1983
    • Tokyo Keiki Company Ltd.
    • Mutsumi Takahashi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Check digit calculator
    • Patent number 4,272,674
    • Issue date Jun 9, 1981
    • Tokyo Keiki Company Ltd.
    • Mutsumi Takahashi
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Numbering machine with check digit function
    • Patent number 4,265,173
    • Issue date May 5, 1981
    • Tokyo Keiki Company Ltd.
    • Mutsumi Takahashi
    • G06 - COMPUTING CALCULATING COUNTING