Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9919997 | One-pot water-free ionic liquids synthesis using trialkyl orthoesters | Jin Kyoon Park, Kyung Hwan Oh | 2018-03-20 |
| 9464544 | Variable valve lift apparatus of engine | Soo Hyun HWANG, Jong Wung Park, Hye Yoon Choi | 2016-10-11 |