TREA

Yung-Cheng Hsieh

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  • Kou-Hu Shiang, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Digital business card
    • Patent number 6,616,052
    • Issue date Sep 9, 2003
    • Ritek Corporation
    • Tzu-Feng Tseng
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Digital data vending machine
    • Publication number 20020062171
    • Publication date May 23, 2002
    • Tzu-Feng Tseng
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Apparent data erasure method
    • Publication number 20020062446
    • Publication date May 23, 2002
    • Tzu-Feng Tseng
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Digital business card
    • Publication number 20020053595
    • Publication date May 9, 2002
    • Tzu-Feng Tseng
    • G06 - COMPUTING CALCULATING COUNTING