Top Inventors at Dae Chang Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Jun Dong JI | 6 |
| 2 | Jong Myung Kim | 2 |
| 3 | Jung Woo Lee | 2 |
| #4 | Myeong Ji O | 2 |
| #5 | Won Young CHAE | 2 |
| #6 | Dong Hyuk YIM | 1 |
| #7 | Gye Young SHIN | 1 |
| #8 | Hyeon-Cheol Woo | 1 |
| #9 | Joon Dong Ji | 1 |
| #10 | Kyong Su Lee | 1 |
| #11 | Kyoung-Hun Nam | 1 |
| #12 | Tae Il Kim | 1 |
| #13 | Won Woo Choi | 1 |