Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11141034 | Cleaner | Jaewon Jang | 2021-10-12 |
| 11071429 | Robot cleaner | Jaewon Jang, Jeongseop Park | 2021-07-27 |
| 11051671 | Cleaner | Jaewon Jang, Jeongseop Park | 2021-07-06 |
YS
Youngkouk Song
Overall (2021): #56,179 of 548,734Top 15%
3
Patents 2021