Top Inventors at Essen Tech Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Ha Yeong Seong | 9 |
| 2 | Jung Hoon Choi | 9 |
| 3 | Ji Ho Kwak | 7 |
| #4 | Sang In Jang | 7 |
| #5 | Sung Bum Kim | 4 |
| #6 | Choi Jung-Hoon | 3 |
| #7 | Jin Myung Hong | 3 |
| #8 | Kwak Ji Ho | 3 |
| #9 | Seong Ha-Yeong | 3 |
| #10 | Sang-Bong Lee | 1 |
| #11 | Si-Nam Cho | 1 |