"Method and apparatus for efficiently transmitting beam in wireless communication system"
Seungtae Ko, Jungsuek Oh and Young Ju Lee , U. S. Patent (Application US20170271762A1) , Sep. 2017
"Flexible antenna integrated with an epitaxial lift-off solar cell array"
Jungsuek Oh, Kyusang Lee, Stephen Forrest and Kamal Sarabandi , U. S. Patent (Application US20170033247A1) , Feb. 2017