Top Inventors at Heesung Material Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Joo-Dong Lee | 9 |
| 2 | Dae-Hyuk CHOI | 7 |
| 3 | Jin-Seok Choi | 7 |
| #4 | Dong-Jun KIM | 5 |
| #5 | Kee Yong Kim | 5 |
| #6 | Sung Jin Eum | 5 |
| #7 | Young-Seok NO | 4 |
| #8 | Geon-Yu PARK | 2 |
| #9 | Hyo-Kyun HAM | 2 |
| #10 | Jae Yeol MA | 2 |
| #11 | Jung-hyun Lee | 2 |
| #12 | Mi Jin Kim | 2 |
| #13 | Do-Han Kim | 1 |
| #14 | Do-Hyung Lee | 1 |
| #15 | Hae Won Jeong | 1 |
| #16 | Han-Kook Oh | 1 |
| #17 | Hong Nho Joo | 1 |
| #18 | Ho June Yoon | 1 |
| #19 | Hyundong Chun | 1 |
| #20 | Hyun Chae Jung | 1 |
| #21 | Hye-Seung Kang | 1 |
| #22 | Hyun-Ju LA | 1 |
| #23 | Hyun Dal Park | 1 |
| #24 | Min Ho Bak | 1 |
| #25 | Sang-Kyu Kang | 1 |
| #26 | Seung Kyu Kim | 1 |
| #27 | Su Jin Jung | 1 |
| #28 | Sun Myung Lee | 1 |
| #29 | Tae Seung Lee | 1 |
| #30 | Woo-Sam KIM | 1 |
| #31 | Yang-Soo Ha | 1 |
| #32 | Yong-Hoon An | 1 |
| #33 | Yun-Ji Lee | 1 |