Patents by Inventor Joong Chui Yoon

Joong Chui Yoon 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 of operating payment device for selectively enabling payment function according to validity of host
    Patent number: 11763289
    Abstract: A method of operating a payment device for selectively enabling a payment function according to the validity of a host is provided. The method relates to a method of operating the payment device which includes a near field communication controller (NFCC) and a host communicating with the NFCC. The method selectively enables the payment function according to the validity of the host, thereby preventing illegal or unwanted payment.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: September 19, 2023
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Joong Chui Yoon