Top Inventors at Hanil E-Hwa Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Chun-Ho Shin | 3 |
| 2 | Sang Bok Lee | 2 |
| 3 | Sung Ho Park | 2 |
| #4 | Byung Uk Kang | 1 |
| #5 | Cheol-gyu Ko | 1 |
| #6 | Dae-sik Kim | 1 |
| #7 | Hak Soo Kim | 1 |
| #8 | Hyeong Geun Oh | 1 |
| #9 | Im Taek Sung | 1 |
| #10 | In Ho Song | 1 |
| #11 | Ji Hyun Cho | 1 |
| #12 | Ki-Sung Kim | 1 |
| #13 | Won Gil Kim | 1 |