Top Inventors at Philoptics Co. All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Cheol-Lae Roh | 2 |
| 2 | Gyoo-Wan Han | 2 |
| 3 | Il Young JEONG | 2 |
| #4 | Je-Kil Ryu | 2 |
| #5 | Jeong Hun Woo | 2 |
| #6 | Jong Nam Moon | 2 |
| #7 | Ki Su Han | 2 |
| #8 | Tae Hyoung Cho | 2 |
| #9 | Tae-Yong Kim | 2 |
| #10 | Doyeoun Hwang | 1 |
| #11 | Hyejung Kim | 1 |
| #12 | Jae Ku HAN | 1 |
| #13 | Jae Yoon Jeong | 1 |
| #14 | Jinbae Moon | 1 |
| #15 | Jun Ho SIM | 1 |
| #16 | Min-Hwan Choi | 1 |
| #17 | Sanggil Ryu | 1 |
| #18 | Sang-Gil Ryu | 1 |
| #19 | Sangwon Shim | 1 |
| #20 | Sung Ho NOH | 1 |
| #21 | Sungju Yu | 1 |
| #22 | Yu Jin Nam | 1 |