Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9011042 | Floating body connection-type flap gate | Kyouiti Nakayasu, Toshiaki Morii, Hideyuki Niizato | 2015-04-21 |
| 8714875 | Mooring device for flap-gate breakwater | Toshiaki Morii, Kyouiti Nakayasu | 2014-05-06 |
| 8366348 | Raised state holding mechanism of flap gate for breakwater | Toshiaki Morii, Kyouiti Nakayasu | 2013-02-05 |