Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11844487 | Vacuum cleaner | Youngho Kim | 2023-12-19 |
| 11259675 | Vacuum cleaner | Youngho Kim | 2022-03-01 |
| 10682035 | Vacuum cleaner and water cleaning device | Heonpyeong Ji, Youngho Kim | 2020-06-16 |