Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6755898 | Oxygen-enriched air supplying apparatus | Jung Hwan Song, Se-Yong Park | 2004-06-29 |
| 6035670 | Clothes washer having a compressed water generation apparatus | — | 2000-03-14 |
| 5943885 | Spin tub for a washing machine | — | 1999-08-31 |
| 5918486 | Washing machine having an apparatus for generating a turbulent flow in a spin tub | — | 1999-07-06 |
| 5715708 | Washing machine equipped with a washing tub of a multiple-stairstep shape | — | 1998-02-10 |