Top Inventors at Cefo Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hyun Jung Mo | 4 |
| 2 | Hyun-Sook Park | 4 |
| 3 | Sunray Lee | 3 |
| #4 | Sun Ray Lee | 3 |
| #5 | Dongmok Lee | 2 |
| #6 | Hyunsook PARK | 2 |
| #7 | Jin Yup Lee | 2 |
| #8 | Ji Won YANG | 2 |
| #9 | Seol Chu | 2 |
| #10 | Byumseok Koh | 1 |
| #11 | Dukjin KANG | 1 |
| #12 | Hyejin Nam | 1 |
| #13 | Jang Mi Park | 1 |
| #14 | Kiyoung Kim | 1 |
| #15 | Kwangrok KIM | 1 |
| #16 | Kyongjin Choi | 1 |
| #17 | Sungbum Park | 1 |
| #18 | Woojin Kim | 1 |
| #19 | Woojong Lee | 1 |