Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11472445 | Crack repair material of concrete vacuum tube segment using ultra-high performance concrete (UHPC) for hyper-speed transportation system, and crack repairing method for the same | Gum Sung Ryu, Kyung Taek Koh, Jae Joon SONG, Jae Yoon Kang, Jong Dae Baek +1 more | 2022-10-18 |