Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9574549 | Blade maintenance device for wind turbine | Byung-kyu Lee, Hong Gyeoum Kim, Jong-Hwan Lee, Young Youl Ha, In Chul Ha +1 more | 2017-02-21 |
| 8940739 | Compound of a reverse-turn mimetic and a production method and use therefor | Jae Uk Chung, Mi Jung Kim, Yong-Sil Lee, Sang-Ho Ma, Sang Hak Lee +3 more | 2015-01-27 |
| 7819488 | Door opening device and refrigerator having the same | Dong Hyun Lee, Jin Ho Kim, Jae Koog An | 2010-10-26 |