Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11661756 | Method for modifying concrete slab on subsided ground | Koji Kawaguchi | 2023-05-30 |
| 11072895 | Method for correcting concrete slab tilting on subsided ground | Koji Kawaguchi | 2021-07-27 |
| 10047534 | Method for modifying concrete slab on subsided ground | Koji Kawaguchi | 2018-08-14 |