Patents by Inventor Sungbo AHN

Sungbo AHN 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).

  • USER STATE TRACKING SYSTEM AND OPERATING METHOD THEREOF
    Publication number: 20220329426
    Abstract: A user log information output system includes a first user device configured to generate first user information by encrypting a unique identification (ID) of a first user according to a scheduled time; a first user server configured to generate first server information including a server group code of a hierarchical server group; a second user device configured to receive real-time token information through communication with the first user device, the real-time token information being generated based on the first user information and the first server information; and a second user server configured to generate proximity log information regarding the first user by reading the first user information and the first server information of the real-time token information received from the real-time token information from the second user device.
    Type: Application
    Filed: November 5, 2021
    Publication date: October 13, 2022
    Inventors: Dongku HAN, Lakshmi Prasanna JASTI, Hyeonwoo NOH, Keunyoung PARK, Sungbo AHN, Jiyoung YU, Eunjin YOUN, Bora HYUN, Jongchul KIM, Jaesik OH