Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7013952 | Stack type heat exchanger | Tae Young Park, Chang Ho Park | 2006-03-21 |
| 6874575 | Air conditioning housing for an air conditioner of an automobile | — | 2005-04-05 |
| 6782944 | Air conditioner for vehicles | Chang Ho Park, Tae Young Park | 2004-08-31 |