Patents

Jung Heon Lee, Jun Hyuk Heo, Seokyoung Yoon, Gyu Sung Yi, Byoung Sang Lee

US patent application 15/234,393 filed on Aug. 11, 2016

US patent number 10,151,757 issued on Dec. 11, 2018

Jung Heon Lee, Kyu Bong Jo, Kyung Il Kim, Seong Hyun Lee, Seokyoung Yoon, Do Geun Kim

South Korea patent application : 10-2017-0022734

South Korea patent number : 10-1882133 issued on Jul, 19, 2018

Jung Heon Lee, Seokyoung Yoon, Chansong Kim

South Korea patent application : 10-2019-0040823

South Korea patent number : 10-2204401 issued on Jan, 12, 2021