Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11137203 | System for utilizing carbon dioxide of flue gas captured by cold heat of liquefied natural gas | Hwachang Sung, Songhun Cha | 2021-10-05 |
| 10968826 | Combined power generation system using pressure difference | Hwachang Sung, Songhun Cha | 2021-04-06 |