Patents by Inventor Suk-kyoung Cha

Suk-kyoung Cha 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).

  • Publication number: 20100076832
    Abstract: A virtual coupon service system is provided. The virtual coupon service system includes: an information acquiring unit acquiring member identification information of a member who wants to purchase a product for which the coupon is valid, and coupon information regarding the product; an information registering unit mapping the member identification information to the coupon information, and registering the result of the mapping; a coupon service providing unit acquiring the member identification information and a product code of the product, determining whether the member identification information is registered with the information registering unit, determining whether at least one coupon information mapped to the member identification information is associated with the product code, if the member identification information is registered in the information registering unit, providing a coupon service if the at least one coupon information includes the product code.
    Type: Application
    Filed: November 5, 2007
    Publication date: March 25, 2010
    Applicant: SHARP KABUSHIKI KAISHI
    Inventor: Suk-kyoung Cha