1
Kwon Young Kwan, Oh Se Man, Lee Sang Youb, Han Gyu Kweon, Jeong Ju Hwan, Oh Seung Tak: A malignant bot confrontation method and its system. Kt Corporation, Kwon Young Kwan, Oh Se Man, Lee Sang Youb, Han Gyu Kweon, Jeong Ju Hwan, Oh Seung Tak, BAE KIM Hankook Tire Bldg 647 15 Yoksam dong Gangnam gu Seoul 135 723, January 18, 2007: WO/2007/007960 (133 worldwide citation)

A method for dealing with attacks of malicious BOTs in a network security system includes detecting and analyzing a domain name receiving excessive DNS queries to judge the infection of a malicious BOT, registering the corresponding domain name as normal or abnormal management target, and redirectin ...


2
Kwon Young Kwan, Oh Se Man, Lee Sang Youb, Han Gyu Kweon, Jeong Ju Hwan, Oh Seung Tak: Method and system for protecting dns and block malicious bots infection accident through detour of abnormal dns query. Kt Corporation, December 22, 2006: KR1020050061559 (2 worldwide citation)

PURPOSE: A method and a system for confronting malicious bots are provided to protect a DNS(Domain Name Service) server and prevent malicious bot infection accidents by detecting/registering a domain excessively generating a DNS query of a malicious bot infected computer or system as a management ta ...


3
Oh Seung Tak, Jeong Ju Hwan, Han Gyu Kweon, Lee Sang Youb, Oh Se Man, Kwon Young Kwan: A malignant bot confrontation method and its system. Kt, March 26, 2008: EP1902375-A1 (1 worldwide citation)

A method for dealing with attacks of malicious BOTs in a network security system includes detecting and analyzing a domain name receiving excessive DNS queries to judge the infection of a malicious BOT, registering the corresponding domain name as normal or abnormal management target, and redirectin ...


4
Chang Jae Hong, Ryu Seong Han, Mun Hyun Won, Park Byeong Ha, Lee Sang Youb, Chung Han Gun, Je Min Kyu, Han Kwang Seok, Heo Seung Chan: Gain controllable low noise amplifier and wireless communication receiver having the same, capable of controlling gain without breaking input impedance matching. Samsung Electronics, July 24, 2007: KR1020060005444

PURPOSE: A gain controllable low noise amplifier and a wireless communication receiver having the same are provided to improve a noise index and to control a gain without breaking input impedance matching in a wide frequency band range. CONSTITUTION: A gain controllable low noise amplifier includes ...


5
Mun Hyun Won, Nam Il Ku, Lee Sang Youb, Je Min Kyu: Voltage reference circuit and current reference circuit, especially using vertical bipolar junction transistor which is implemented by deep n-well cmos process. Samsung Electronics, August 9, 2007: KR1020060011310

PURPOSE: A voltage reference circuit and a current reference circuit are provided to improve color reproducibility, color uniformity, and device matching property of a circuit by replacing horizontal BJT(Bipolar Junction Transistor)s or substrate BJTs with vertical BJTs which are implemented by a CM ...


6
Lee Sang Youb: System and method for comparing/searching character image with multiple feature information at high speed based on nmfm. Lpa, October 20, 2005: KR1020040025649

PURPOSE: A system and a method for comparing/searching a character image with multiple feature information at high speed based on NMFM(Near Maximum Flow Matching) are provided to effectively search the character image difficult to be searched with one of shape information and color information by us ...


7
Jang Jung Hee, Lee Young Ho, Kim Jong Phil, Lee Woo Tae, Kang Woan Jung, Lee Sang Youb: System and method for advanced wastewater treatment by a combination of membrane bioreactor process and sulfur denitrification process. Hyundai Construction, Hyundai Engineering, January 25, 2007: KR1020050066494

PURPOSE: A system and a method for advanced wastewater treatment by arranging a screen, a flow equalization tank, a membrane bioreactor and a sulfur denitrification reactor sequentially and compactly are provided to remove organic matters and suspended solids and to obtain high nitrification ratio i ...


8
Lee Sang Youb: Writing instrument, which is detachably attached on the wall surface of a refrigerator. Lee Sang Youb, November 2, 2006: KR1020050036000

PURPOSE: A writing instrument is provided to simply attach the writing instrument on the wall surface of a refrigerator together with a bottle opener or a scratch paper by installing a fixing magnet at the end of the writing instrument such as a ball-point pen or pencil. CONSTITUTION: In the writing ...


9
Lee Hyung Jai, Lee Sang Youb: Magnetic disc for self-cleaning disc drive recording head and cleaning method thereof. Samsung Electronics, January 2, 2002: KR1019990002361

PURPOSE: A magnetic disc for self-cleaning a disc drive recording head and a cleaning method of the disc are provided to mechanically clean the recording head when the recording head passes. CONSTITUTION: A magnetic disc(10) for self-cleaning a disc drive recording head includes a landing zone(12), ...


10
Lee Sang Youb: Game system using maximum flow matching algorithm and character characteristics analyzing method thereof. Lpa Soft, June 14, 2006: KR1020040103424

PURPOSE: A game system based on maximum flow matching and a character characteristic analyzing method thereof are provided to enable a user to utilize diverse strategies and tactics by using multi-characteristic information combining all internal/external conditions and situation variables of a game ...