Top Inventors at Yong San Co. 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Dae Ig Jung | 1 |
| 2 | Hyung Jin Kim | 1 |
| 3 | Jin Ho Hwang | 1 |
| #4 | Min Ho Cho | 1 |
| #5 | Sang Hoon Lee | 1 |
| #6 | Seung Hyeok Chang | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Dae Ig Jung | 1 |
| 2 | Hyung Jin Kim | 1 |
| 3 | Jin Ho Hwang | 1 |
| #4 | Min Ho Cho | 1 |
| #5 | Sang Hoon Lee | 1 |
| #6 | Seung Hyeok Chang | 1 |