Patents by Inventor Chi-Hsuan Yen

Chi-Hsuan Yen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • TIME INFORMATION BASED AUTHENTICATION METHOD, INTEGRATED CIRCUIT FILM, SIM CARD OR SD CARD
    Publication number: 20170126670
    Abstract: A time information based authentication method, an integrated circuit film or with a SIM card or a SD card are provided. The time information based authentication method comprises the following steps. A time information is obtained from a external device. A data is received from a memory unit of a security chip. An authentication code is generated according to the data and the time information.
    Type: Application
    Filed: October 28, 2015
    Publication date: May 4, 2017
    Inventors: Yvette E-Wen Lin, Chi-Hsuan Yen, Kuan-Hung Lu, Yu-Feng Chen, Jen-Ho Chang, Shu-Ching Huang