TREA

Technopark Mine Co., Ltd.

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Switching device for a plurality of RS232C interfaces
    • Patent number 4,866,667
    • Issue date Sep 12, 1989
    • Technopark Mine Co., Ltd.
    • Toshio Shimada
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Interface cable
    • Patent number 4,579,407
    • Issue date Apr 1, 1986
    • Technopark Mine Co., Ltd.
    • Toshio Shimada
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

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