Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9640309 | Superconducting DC reactor | Minwon Park, In Keun Yu, Jin Kim, Sang Jin Lee, Sung Kyu Kim +3 more | 2017-05-02 |
| 7590877 | Computer system having multi-operation system and method for changing operating system in computer system | Joo Cheol Lee | 2009-09-15 |