Patents by Inventor Xiaotao Yan

Xiaotao Yan 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).

  • METHOD AND APPARATUS FOR VERIFYING PERSONAL IDENTIFICATION NUMBER PIN CODE
    Publication number: 20240064519
    Abstract: This application provides a method and an apparatus for verifying a personal identification number PIN code. When a first SIM card is inserted into a powered-on terminal device or the terminal device into which the first SIM card is inserted is powered on, whether a mapping relationship includes a PIN code to which a first ICCID of the first SIM card is mapped is queried; the PIN code is sent to the first SIM card if the mapping relationship includes the PIN code to which the first ICCID is mapped; and a verification result of the PIN code from the first SIM card is received.
    Type: Application
    Filed: December 14, 2021
    Publication date: February 22, 2024
    Inventors: Yuanfeng Li, Fengguang Qiu, Weilin Gong, Zeping Xu, Xiaotao Yan, Pingping Gu, Yang Yu, Yingfeng Hu