Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7523781 | Heat exchanger | Kwangheon Oh | 2009-04-28 |
| 7490659 | Integral-type heat exchanger | Daebok Kwon | 2009-02-17 |
| 7413003 | Plate for heat exchanger | Kwangheon Oh, Sungje Lee | 2008-08-19 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7523781 | Heat exchanger | Kwangheon Oh | 2009-04-28 |
| 7490659 | Integral-type heat exchanger | Daebok Kwon | 2009-02-17 |
| 7413003 | Plate for heat exchanger | Kwangheon Oh, Sungje Lee | 2008-08-19 |