Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11527183 | Sign having three-dimensional effect, method for manufacturing same, anti-skid pavement assembly, and sticker | Eun-Ok Lee, Ji Hyun Park | 2022-12-13 |
| 10119236 | Compaction grouting system construction method capable of seismic reinforcement and quality control | Ji Hyun Park | 2018-11-06 |
| 10066355 | Device for obtaining C.G.S injection control chart for seismic retrofitting and controlling quality | Ji Hyun Park | 2018-09-04 |