Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8459617 | Disc assembly of air cleaning humidifier | Jong Chul Ahn | 2013-06-11 |
| 7112232 | Air cleaning apparatus | In A Chae, Jin Soon Park | 2006-09-26 |
| 6929684 | Air cleaning apparatus | Kyung Ho Chai | 2005-08-16 |