Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10697863 | Apparatus and method of removing water by changing phase of water contained gaseous material to frost phase | — | 2020-06-30 |
| 10578520 | Pretreatment apparatus and method for analysing air pollution detection | — | 2020-03-03 |
| 8496514 | Intelligent energy saving ventilation control system | Sang Gwi Chung, Youn Suk Son, Young Ku Sunwoo | 2013-07-30 |
| 7392689 | Sample collection apparatus for analysis of air pollution comprising moisture pretreatment means | Ki-Joon Kim, Ji Yong Kim | 2008-07-01 |