Research&Developement
| Title of Invention | Date |
| A FIXATION PER MINUTE MACHINE FOR A SHIP'S GENERATOR | 1997.12.30 |
| The voyage data recording method and black of ship | 1999.10.30 |
| CCTV Housing for preventing explosion of innerpressure | 2003.10.06 |
| The digital instrument board of engine condition | 2004.05.25 |
| The digital indicator of direction and speed of thewind | 2004.06.16 |
| The cable supervision | 2004.08.02 |
| A device for controlling torsional vibration of a shafting for a marine engine | 2004.09.07 |
| The integrated communication system | 2004.10.04 |
| A device for reducing vibration of a shafting for amarine engine | 2004.10.15 |
| An apparatus for reducing noise of a marine engine | 2004.10.19 |
| Shipping voyage communicate equipage marine VHFwireless synthesize and shipping location transmitterterminal | 2006.02.10 |
| Fault diagnosis system using MEMS sensors | 2008.01.07 |
| SHIP HAVING A RADIO INFRANET APPARATUS | 2008.02.28 |
| image fire detection method | 2008.11.02 |
| Device and method for transmitting distress signal with Buoy | 2009.05.04 |
| POS SYSTEM FOR POS TEXT DATA | 2009.10.16 |
| MUX CHIP OF DIGITAL VIDEO RECORDER/SET TOP BOX | 2009.10.16 |
| NETWORK IMAGE SECURITY AUTHENTICATION SYSTEM | 2009.10.16 |
| METHOD FOR AUDIO STREAMING OF NETWORK DIGITAL VIDEO RECORDER SYSTEM | 2009.10.16 |
