Top Inventors at Dong-A Teaching Materials Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Han-Shin Jung | 6 |
| 2 | Hak-Jae Kim | 6 |
| 3 | Ji Eun Lee | 2 |
| #4 | Byoung-Whoo Min | 1 |
| #5 | Chung Kyung Kim | 1 |
| #6 | Hakjae Kim | 1 |
| #7 | Sun Hyung Lee | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Han-Shin Jung | 6 |
| 2 | Hak-Jae Kim | 6 |
| 3 | Ji Eun Lee | 2 |
| #4 | Byoung-Whoo Min | 1 |
| #5 | Chung Kyung Kim | 1 |
| #6 | Hakjae Kim | 1 |
| #7 | Sun Hyung Lee | 1 |