[1]JungRyun Lee, "Method and apparatus for managing power in a mobile communication system",

U.S. Patent No.7035662 B2 May. 16. 2006

[2]JungRyun Lee, "Apparatus and method for assigning sub–channels in an OFDMA system",

U.S. Patent No.7720483 B2 May. 18. 2010

[3]Jung-Ryun Lee, Hyun-Ho Choi, Hyun-Sik Kang, Oh-Young Song, "Mobile terminal and handover method for the mobile terminal (voip)",

U.S. Patent No.8301147 B2 Oct. 30. 2012

[4]Jung Ryun Lee, Dong Hun Kim, Young Keun Kim, "Apparatus and method for assigning sub–channels in an OFDMA system",

E.P. Patent No.1775874 A2, Jul. 31. 2013

[5]Jung-Ryun Lee, Hyun-Sik Kang, "Mobile terminal and handover method for the mobile terminal (video)",

U.S. Patent No.8654665 B2, Feb. 18. 2014

[6]Jung-Ryun Lee, Yong-Soo Cho, Yun-Jae Shin, Un-Ha Kim, "Method and system for synchronizing time information in ad hoc network",

U.S. Patent No.9635631 B2 Apr. 25. 2017