Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11193278 | Anchor pin for placing shotcrete and fixing textile grid and method of constructing textile grid reinforced shotcrete using the same | Hyeong Yeol Kim, Gum Sung Ryu, Gi Hong AN, Dong Woo Seo, Seung Seop Jin | 2021-12-07 |
| 11168449 | Method for batch casting high-fluidity high-performance concrete and low-fluidity high-performance concrete | Gum Sung Ryu, Gi Hong AN, Byung-Suk Kim, Sung Yong Park | 2021-11-09 |