Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12221757 | Watertight structure for flap gate and flap gate comprising same | Koji Sasayama, Toshio Tsuchiya | 2025-02-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12221757 | Watertight structure for flap gate and flap gate comprising same | Koji Sasayama, Toshio Tsuchiya | 2025-02-11 |