Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11117833 | Rapid-hardening mortar composition | Kiyoshi Kamitani, Kenji Tokunaga, Hideo Tawara | 2021-09-14 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11117833 | Rapid-hardening mortar composition | Kiyoshi Kamitani, Kenji Tokunaga, Hideo Tawara | 2021-09-14 |