Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10940926 | Fuel cell watercraft | — | 2021-03-09 |
| 10364009 | Fuel cell watercraft | — | 2019-07-30 |
| 10286991 | Fuel cell watercraft | — | 2019-05-14 |
| 8647498 | Corrosive environment sensor and method for measuring corrosive environment | Ruri Nakada, Nobutoshi Konagai, Yuya Ito | 2014-02-11 |