Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11872513 | Air cleaner | Young Seok Lee, Ji Hyeoung Lee, Tim ROCHFORD | 2024-01-16 |
| 11666849 | Filter module and air purifier having the same | Gi Hoon Ko, Yeon-Young Nam, Ji Hyeong Lee | 2023-06-06 |
| 11076731 | Vacuum cleaner | Joo Hee Ryu | 2021-08-03 |
| D921867 | Air purifier | Deok-Sang Yun, Jae-Ho Jang, Gi Hoon Ko | 2021-06-08 |
| 10940422 | Air purifier | Gi Hoon Ko, Yeon-Young Nam, Ji Hyeoung Lee | 2021-03-09 |
| 10690353 | Ventilation system and method for controlling the same | Tim ROCHFORD, Sook-Young Park, Myoung Keun Kwon, Eung Ryeol Seo, Jung Hak LEE +2 more | 2020-06-23 |
| 9795276 | Dish washing machine | Joo Hee Ryu, Jong Su Jeon | 2017-10-24 |