Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9988777 | Road guide post | — | 2018-06-05 |
| 8920641 | End-cap structure of oil filter for vehicle | Chang-Eun Oh, Nam-Woong Lee, Min Su Lee, Kang Seok Kim | 2014-12-30 |
| 7791859 | Method for manufacturing dielectric ceramic powder, and multilayer ceramic capacitor obtained by using the ceramic powder | Sung Soo Ryu, Seon Cheol Park, Dong Sook Sinn, Sang Kyun Lee, Dang Hyok Yoon | 2010-09-07 |