Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10470633 | Cleaning device | Hyun Joo Kim, Sang Won Lee, Jin Hyung Park, Eung Ryeol Seo, Hyeon Joon Oh +3 more | 2019-11-12 |
| 9757000 | Cleaning device | Hyun Joo Kim, Sang Won Lee, Jin Hyung Park, Eung Ryeol Seo, Hyeon Joon Oh +3 more | 2017-09-12 |