TREA

Sadao Sugiyama

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  • Shiga, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical card processing apparatus
    • Patent number 5,264,687
    • Issue date Nov 23, 1993
    • Omron Tateisi Electronics, Co.
    • Sadao Sugiyama
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Card accessing apparatus
    • Patent number 4,786,793
    • Issue date Nov 22, 1988
    • Omron Teteisi Electronics Co.
    • Sadao Sugiyama
    • G06 - COMPUTING CALCULATING COUNTING