Top Inventors at Hanwha Chemical 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Dong Wook Jeong | 4 |
| 2 | In Jun LEE | 4 |
| 3 | Song Hee Yang | 4 |
| #4 | Dong Ok Kim | 3 |
| #5 | Ui Gab Joung | 3 |
| #6 | Won Jun Kang | 3 |
| #7 | Dae Won Cho | 2 |
| #8 | Hee Yun Kim | 2 |
| #9 | Jeong Hyun Choi | 2 |
| #10 | Sung Woo Lee | 2 |
| #11 | Su Jin Lee | 2 |
| #12 | Tae Hoon Yeum | 2 |
| #13 | Yu Jeong Lim | 2 |
| #14 | Ah Ra Cho | 1 |
| #15 | Ah-Reum Kim | 1 |
| #16 | Chang-Mo Chung | 1 |
| #17 | Geunsik Lim | 1 |
| #18 | Hee-Jin Jang | 1 |
| #19 | Hyeon Uk Kang | 1 |
| #20 | Hyun Cheol RYU | 1 |
| #21 | Hyelim Yang | 1 |
| #22 | Jaekyu Jang | 1 |
| #23 | Jeong Hyun PARK | 1 |
| #24 | Jun Ho Seo | 1 |
| #25 | Kee Do Han | 1 |
| #26 | Kyong Jun Yoon | 1 |
| #27 | Lan Hua Piao | 1 |
| #28 | Pil Je Seong | 1 |
| #29 | Seung Il Choi | 1 |
| #30 | Seong Ho Park | 1 |
| #31 | So Jung Lee | 1 |
| #32 | Sungup Choi | 1 |
| #33 | Woo Youl Ahan | 1 |