Top Inventors at Dnf Co. 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Myong Woon Kim | 4 |
| 2 | Sang Ick Lee | 4 |
| 3 | Kang-Yong Lee | 3 |
| #4 | Jae-Soon Lim | 2 |
| #5 | Sang Yong Jeon | 2 |
| #6 | Youn-Joung Cho | 2 |
| #7 | A Ra Cho | 1 |
| #8 | Byeong-il YANG | 1 |
| #9 | Chang-Woo Sun | 1 |
| #10 | Gun Joo PARK | 1 |
| #11 | Haeng Don LIM | 1 |
| #12 | Jeong Joo PARK | 1 |
| #13 | Ji-Eun Yun | 1 |
| #14 | Joong Jin PARK | 1 |
| #15 | Sang-Do Lee | 1 |
| #16 | Sam Dong LEE | 1 |
| #17 | Sang Jun Yim | 1 |
| #18 | Se Jin JANG | 1 |
| #19 | Seung-min Ryu | 1 |
| #20 | Sung Woo Cho | 1 |
| #21 | Sung-Gi Kim | 1 |
| #22 | Won Mook CHAE | 1 |
| #23 | Youn Soo Kim | 1 |