TREA

Seiichi Osawa

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  • Sayama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Printing hammer for dot printer
    • Patent number D281076
    • Issue date Oct 22, 1985
    • Citizen Watch Co., Ltd.
    • Toshio Kurihara
    • D18 - Printing and office machinery
  • Information Patent Grant

    Base frame for dot printer
    • Patent number D281080
    • Issue date Oct 22, 1985
    • Citizen Watch Co., Ltd.
    • Michio Koizumi
    • D18 - Printing and office machinery
  • Information Patent Grant

    Core block for printing head
    • Patent number D281077
    • Issue date Oct 22, 1985
    • Citizen Watch Co., Ltd.
    • Makoto Yasunaga
    • D18 - Printing and office machinery