Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10973381 | Vacuum cleaner | Seongho Park, Youngho Kim | 2021-04-13 |
| 10912437 | Vacuum cleaner and cleaner handle | Jinwoo Lee, Gunho Ha, Hyeonjeong An, Bohyun Nam, Namhee Kim +1 more | 2021-02-09 |
HL
Hwajin Lim
Overall (2021): #155,078 of 548,734Top 30%
2
Patents 2021