International Patents
| Year | No. | Title | Patent Number | Attach |
| 2007 | 3 | PLASMA DISPLAY DEVICE, APPARATUS FOR DRIVING THE SAME, AND METHOD OF DRIVING THE SAME | US11/692877 | - |
| 2006 | 2 | FLYBACK DC/DC CONVERTER USING CLAMP DIODE | US11/565549 | - |
| 1 | A New Quasi Single Stage Power Factor Correction Converter | - |