Patents
- "System for Management and Intergration of POI", Patent Office of Korea, 2011.01.05., 10-1007549.
- "Mobile Object Positioning System based on Ubiquitous Sensor Network", Patent Office of Korea, 2010.02.02., 10-0941574.
- "Fixed node visualization system for intrusion detection", Patent Office of Korea, 2010.09.30., 10-0985700.
- "Server for managing a sensor for invasion detection", Patent Office of Korea, 2010.04.28., 10-0956262.
- "A apparatus and application method of action emulator go with virtual formation on fixed sensor for intrusion detection", Patent Office of Korea, 2009.12.03., 10-0931359.
- "Method and System for Virtual Surgery", PTO in USA, 2001.04.01. U.S. PTO 60/234161.
- "Decoder using Modified Euclid Algorithm", Patent Office of Korea, 1998. 12. 15., 183279 .