IP Library Assignment 019705/0466
Patent Assignment
Reel/Frame 019705/0466

Assignment of Assignor's Interest

Recorded: 2007-07-30 Pages: 4
Assignors
CHO, SEOK-HEON
Executed: 2007-07-25
CHANG, SUNG-CHEOL
Executed: 2007-07-25
YOON, CHUL-SIK
Executed: 2007-07-25
Assignees
ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
161, GAJEONG-DONG, YUSEONG-GU, DAEJEON, 305-350, KOREA, REPUBLIC OF
SAMSUNG ELECTRONICS CO., LTD.
416 MAETAN-DONG, YEONGTONG-GU, SUWON-SI, GYEONGGI-DO, KOREA, REPUBLIC OF
KT CORPORATION
206, JUNGJA-DONG, BUNDANG-GU, SEONGNAM-CITY, KYEONGGI-DO, KOREA, REPUBLIC OF
SK TELECOM CO., LTD.
99, SEORIN-DONG, JONGRO-GU, SEOUL, KOREA, REPUBLIC OF
KTFREETEL CO., LTD.
890-20, DAECHI-DONG, GANGNAM-GU, SEOUL, 135-280, KOREA, REPUBLIC OF
HANARO TELECOM., INC.
SHINDONGAH FIRE & MARINE INSURANCE BUILDING 43, TAEPYEONGNO2-GA, JUNG-GU, SEOUL, KOREA, REPUBLIC OF
Covered Property (1)
Method for Managing Traffic Encryption Key in Wireless Portable Internet System and Protocol Configuration Method Thereof, and Operation Method of Traffic Encryption Key State Machine in Subscriber Station
Patent: 7,907,733 →
Application: 10/591,625 →
Publication: US 2008/0080713
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger Jul 20, 2009
From: KTFREETEL CO., LTD.
To: KT CORPORATION
Reel/Frame 022976/0032 →