Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10514192 | Dehumidifier | Jiwon Chang, Yeol Ho Lee, Hyunjong Kim | 2019-12-24 |
| 10047991 | Heat pump | Kidong Kim, Jiwon Chang, Hyunjong Kim | 2018-08-14 |
| 9951964 | Dehumidifier | Byungsoon Kim, Jiwon Chang, Junho Min | 2018-04-24 |
| 9234663 | Heat pump supply apparatus having a combined use with an air conditioner | Hyoungsuk Woo | 2016-01-12 |
| 9097444 | Heat pump type water heating apparatus | Donghyuk Lee | 2015-08-04 |