Patents by Inventor Da Hee CHOI

Da Hee CHOI 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).

  • Patent number: 11763308
    Abstract: Provided are a method of detecting abnormal financial transactions and an apparatus thereof. The apparatus includes: a memory in which an abnormal transaction detection program is stored; and a processor configured to execute the program. Upon execution of the program, the processor performs a data preprocessing operation to acquired payment data, extracts at least one feature adaptively determined in advance from results of the preprocessing operation, and uses the extracted feature to determine whether the payment data correspond to an abnormal transaction through a machine learning algorithm adaptively determined in advance.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: September 19, 2023
    Assignee: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Kyung Ho Lee, Da Hee Choi, Jae Hee Lee, Jun Hyoung Oh, Young In You, Chae Woon Kim, Ju Hyeon Lee
  • Publication number: 20180357643
    Abstract: Provided are a method of detecting abnormal financial transactions and an apparatus thereof. The apparatus includes: a memory in which an abnormal transaction detection program is stored; and a processor configured to execute the program. Upon execution of the program, the processor performs a data preprocessing operation to acquired payment data, extracts at least one feature adaptively determined in advance from results of the preprocessing operation, and uses the extracted feature to determine whether the payment data correspond to an abnormal transaction through a machine learning algorithm adaptively determined in advance.
    Type: Application
    Filed: May 30, 2018
    Publication date: December 13, 2018
    Applicant: KOREA UNIVERSITY RESEARCH AND BUSINESS FOUNDATION
    Inventors: Kyung Ho LEE, Da Hee CHOI, Jae Hee LEE, Jun Hyoung OH, Young In YOU, Chae Woon KIM, Ju Hyeon LEE
  • Publication number: 20180027941
    Abstract: An antibacterial puff for cosmetics in which an antibacterial agent is included in a foam composed of polyurethane and the like is disclosed. More particularly, an antibacterial puff reduces excessive consumption of a cosmetic material caused by absorption of a puff, which is a disadvantage of an existing puff, and includes an antibacterial material capable of suppressing proliferation of microorganisms.
    Type: Application
    Filed: July 25, 2017
    Publication date: February 1, 2018
    Applicant: DMCOSMETICS CO., LTD.
    Inventor: Da Hee CHOI