Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11092360 | Intelligent heat pump system having dual heat exchanger structure | Jong Woo Park | 2021-08-17 |
| 10260760 | Two-stage heating geothermal system using geothermal energy | Jong Woo Park | 2019-04-16 |
| 9544645 | Video display device and operating method thereof | Youngju Cho | 2017-01-10 |