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International Patents

  • [12] Seungjoo Kim, Dongho Won, Sungkyu Cho, Donghwi Shin, Heasuk Jo, Donghyun Choi, and Jae-Cheol Ryou, 
    "
    A Code Encryption and Decryption Device against Reverse Engineering based on Index Table and the Method Thereof",
    US Patent Appl. No.13/018,244, January 31, 2011.

  • [11] Seungjoo Kim, Dongho Won, Sungkyu Cho, Donghwi Shin, Heasuk Jo, Donghyun Choi, and Jae-Cheol Ryou,
    "A Code Encryption and Decryption Device against Reverse Engineering based on Index Table and the Method Thereof",
    JP Patent Appl. No.2011-011927
    , January 24, 2011.
  • [10] Seungjoo Kim, Kwangwoo Lee, and Dongho Won,
    "Internet Based E-Will Management System Using Certificate and Method Thereof",
    JP Patent Appl. No.2010-111575
    , May 13, 2010.
  • [9] Seungjoo Kim, Kwangwoo Lee, and Dongho Won,
    "Internet Based E-Will Management System Using Certificate and Method Thereof",
    US Patent Appl. No.12/775,352
    , May 6, 2010.
  • [8] Donghyun choi, Dongho Won, Seungjoo Kim, Jaechul Ryou,
    "Key Management Method for SCADA System",
    US Patent Appl. No.12/713,840
    , February 26, 2010.
  • [7] Sungjin Lee, Seungjoo Kim, Dongho Won, Donghyun Choi, Kwangwoo Lee, Byunghee Lee, Hanjae Jung, Woongryul Jeon, Soonhaeng Hur, Wookjae Cha, Sungkyu Cho, Hyunsang Park, Hyoungseob Lee, Hyunseung Lee, Songyi Kim, and Youngjun Cho,
    "Shared Key Management Method, Shared Key Generating Method and Message Communication Method for SCADA System, and Recording Medium",
    US Patent Appl. No.12/384173, March 31, 2009.
  • [6] Donghyun Choi, Yunho Lee, Seungjoo Kim, and Dongho Won,
    "License Sharing Method for Domain Digital Rights Management System",
    US Patent Appl. No.12/032825, February 18, 2008.
  • [5] Sangjoo Park, Dongho Won, and Seungjoo Kim,
    "Apparatus and method for inputting graphical password using wheel interface in embedded system",
    US Patent No.7992202, August 2, 2011.
  • [4] Yunho Lee, Kwangwoo Lee, Seungjoo Kim, and Dongho Won,
    "A Verification Method for Operation of Encryption Apparatus and Its Application to Electronic Voting",
    US Patent No.7882038, February 1, 2011.
  • [3] Younggyo Lee, Seungjoo Kim, and Dongho Won,
    "System and Method for Detecting the Exposure of OCSP Responder's Session Private Key",
    US Patent No.7721102, May 18, 2010.
  • [2] Sung-Ming Yen, Seungjoo Kim, Seongan Lim, Sang-Jae Moon, Kyungah Shim, Bo-Yeon Song, and Hong Geun Kim,
    "Method for preventing the CRT-based fault attack of and apparatus thereof",
    US Patent Appl. No.10/260,169
    , January 9, 2003.
  • [1] Seongan Lim, Seungjoo Kim, and Hongsub Lee,
    "High speed RSA public key cryptographic apparatus and method (.doc.zip)" (Note : See also helpful graphics.),
    US Patent Appl. No.09/796,695, March 2. 2001.

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