2004.10.25   Radiation fins designed for cooling electronic parts and elements   Patent No. 0455562 2004.12.30   Heat sink for electric elements   Patent No. 0465746 2004.12.30   Method of brazing radiation fins of different kinds of metals to the base plate.   Patent No. 0465745 2005.03.21   Heat sink using porous carbon materials   Utility model No. 0380257 2005.03.21   Radiation device for mobile communication repeaters using porous carbon materials   Utility model No. 0380256 2005.05.09   Direct radiating type radiator using porous carbon materials as radiating element   Utility model No. 0384505 2005.07.08   Heat exchanger using porous carbon materials   Utility model No. 0390111 2006.01.03   Oil coolers   Utility model No. 0405735 2006.10.23   Method of adjusting the specific resistance of carbon materials   Patent No. 0630790 2006.11.16   Method of adjusting the specific resistance of carbon materials   Patent No. 0649150 2007.07.19   High-pressure resistant heat exchanger and the system using such heat exchangers   Patent No. 0742694 Development of high-performance heat sink   2001.07~2002.06   New technology development and promotion project Development of high performance heat sink using a method of brazing different kinds of metals   2002.04~2003.03   Technology innovation and development project Development of desk top 2-phase CPU cooling system using specific gravity   2002.07~2003.04   Educational-industrial consortium Development of light carbon for use as high-efficiency radiation materials   2003.01~2004.12   Small-medium enterprise research association Development of non-powered 2-phase natural circulation coolers   2003.07~2004.04   Educational-industrial consortium Development of new methods for removing flux and dust during aluminum brazing   2004.10~2005.09   Project for solving duty evasion factors Development of dust-resistant oil cooler for hydraulic equipment   2005.07~2006.06   Development of heat sink using a method of brazing different kinds of metals Development of night obstruction detector using near infrared rays   2005.12~2008.09   Development of regional industry technologies Development of a single complex brazing system for large, multi-process aluminum brazing heat sinks   2007.11~2008.10   Development of innovative technologies for the production environment