Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8202499 | Small cylindrical reformer | Tae Woo Woo, Young Seek Yoon, Seong Ho Lee, Il Su Kim | 2012-06-19 |
| 7883672 | Small cylindrical reformer | Tae Woo Woo, Young Seek Yoon, Seong Ho Lee, Il Su Kim | 2011-02-08 |
| 7628963 | Small cylindrical reformer | Tae Woo Woo, Young Seek Yoon, Seong Ho Lee, Il Su Kim | 2009-12-08 |
| 6946020 | Hydrogen purification module | Jae-Sung Han, Il Su Kim | 2005-09-20 |
| 6684418 | Infant's chamber pot having health checking function | — | 2004-02-03 |