Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11049631 | Power cable | Ji Sung Kim, Kyoung Ro Ko, Joon-Keun Lee, Kum Hwan Cha, Jae Cheol Gwag +1 more | 2021-06-29 |
| 10672539 | Power cable | Ji Sung Kim, Kyoung Ro Ko, Su Kil Lee, Joon-Keun Lee, Soon-Il Sohn +3 more | 2020-06-02 |
| 7302814 | Apparatus for preventing deflection of substrate tube | Chul Min Kim, Sang-Joon Bae, Won Ki Park | 2007-12-04 |
| 7295735 | All-dielectric, self-supporting, loose-tube optical fiber cable | Kwang-Il Kim, In-Sik Choi | 2007-11-13 |