1. Hanku Lee, Yun Cui, Akhmedov Khumoyun. Service Recommendation Method and Devices to Perform It. Application no.: 10-2017-0106805; License no.: 10-1943215; Authorized time: 2019.01; Authorize department: Konkuk University Industrial Cooperation Crop. Patent category: invention. (韩国)
2. Yun Cui, Myoung Jin Kim, Han Ku Lee, Yi Gu. Multimedia Sharing Method and Network Bridge System Capable of Performing It. Application no.: 10-2014-0173761; License no.: 10-1657366; Authorized time: 2016.04; Authorize department: Konkuk University Industrial Cooperation Crop. Patent category: invention. (韩国)