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제목 특허 권리 국가 출원일 등록일
Seamless handoff method in wireless local area networkChina Patent no. 200510079295.7, May. 2005E.U. Patent no. 1601221, Mar. 2007,U.S.A Patent no.7403506, Jul. 2008 file 미국  2005-05-31  2008-07-22 
Method for Encryption and Decryption Video and Apparatus thereof, patent no. 10-0764246, Sep. 2007.      
Watermarking Method and Apparatus thereof, patent no. 10-0764245, Sep. 2007.      
Motion compensation device and method matched by gradient modeChina Patent no. 98121332, Dec. 2003,Malaysia Patent no. MY-124262-A, Jun. 2006      
Image Stabilizing Apparatus Using Bit-plane Matching and Image Stabilizing Method Using the Same, U.S.A. Patent no. 6535244 B1, Mar. 2003.      
Format Converter Using Bidirectional Motion Vecter and Method thereofJapan Processing no. 13-72812, Mar. 2001,U.K. Processing no. 011048592, Feb. 2001,China Processing no. 011047992, Feb. 2001.      
Method and apparatus for image motion detection using gradient pattern matchingU.K. Patent no. GB2330268B, Dec. 1999.      
Motion Compensating Apparatus using Gradient Pattern Matching and Method thereofJapan Patent no. 2996657, Oct. 1999,U.S.A. Patent no. 6,122,319, Sep. 2000      
Image Stabilizing Apparatus Using Bit-plane Matching and Image Stabilizing Method Using the SameJapan Patent no. 3011267, Dec. 1998,U.K. Patent no. GB2330269B, Dec. 1999,U.S.A. Patent no. 06535244, Mar. 2003      
Method and Apparatus of encoding and decoding for error resilience using Redundant coded picture and FMO from any Primary Coded Picture, patent no. 10-2006-0065938, Jul. 2006. (processing)      
Apparatus and Method for Predicting Motion Vector, patent no. 10-2006-0033048, Apr. 2006.      
Method to interpolate frame using warping transformation and Apparatus thereof, patent no. 10-2006-0022745, Mar. 2006.      
Method and apparatus for transmitting video considering vertical handoff in heterogeneous networks, patent no. 10-2006-0020755, Mar. 2006.      
Method and apparatus for transmitting video considering error concealment in hetero networks, patent no. 10-2005-0135986, Dec. 2005.      
Method for encryption and decryption video, patent no. 10-2005-0135987, Dec. 2005.      
ADEW and CBWT based watermarking method and paapratus, patent no. 10-2005-0135984, Dec. 2005.      
Seamless handoff method in wireless local area network, patent no. 2004-0052784, Jul. 2004. (processing)      
Mobility management method using improved neighborgraphs, patent no. 2004-0038663, May. 2004. (processing)      
블록 이산 코사인 변환 방식에 의해 부호화된 영상에포함된 블록현상 제거 방법(METHOD FOR BLOCKING ARTIFACT REDUCTION INCLUDED ENDEDIMAGE BASED ON BDCT), patent no. 2003-0035969, Jun. 2003. (processing) 한국  2003-06-04   
Zoom Tracking Method and System, Processing, 64337, Oct. 2002.