Top Inventors at Eastern Mastec All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Yongbum Cho | 10 |
| 2 | Cheong Dong Cho | 2 |
| 3 | Jun-min Park | 1 |
| #4 | Yeongbeom Cho | 1 |
| #5 | Yongbom Cho | 1 |
| #6 | Youn Hwan Ra | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Yongbum Cho | 10 |
| 2 | Cheong Dong Cho | 2 |
| 3 | Jun-min Park | 1 |
| #4 | Yeongbeom Cho | 1 |
| #5 | Yongbom Cho | 1 |
| #6 | Youn Hwan Ra | 1 |