申请人 |
ELECTRONICS AND TELECOMMUNICATIOND RESEARCH INSTITUTE;SAMSUNG ELECTRONICS CO., LTD.;SK TELECOM CO., LTD.;KT CORPORATION;KTFREETEL CO., LTD.;HANARO TELECOM, INC.;KIM, SEONG-RAG;CHOI, IN-KYEONG;KWON, DONG-SEUNG;HWANG, SEUNG-KU |
发明人 |
KIM, SEONG-RAG;CHOI, IN-KYEONG;KWON, DONG-SEUNG;HWANG, SEUNG-KU |