Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9970688 | Regenerative air-conditioning apparatus and method of controlling the same | Heewoong Park, Noma Park | 2018-05-15 |
| 8640475 | Heat pump-type hot water feeding apparatus | Heewoong Park, Samchul Ha, Simwon Chin, Noma Park, Hwanjong Choi | 2014-02-04 |