Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428118 | Fuel cell ship | Takehiro Maruyama, Yasuyoshi Yamaguchi, Takuya Hiraiwa, Yukihiko Kimura | 2025-09-30 |
| 12407005 | Fuel cell ship | Takuya Hiraiwa, Takehiro Maruyama, Yasuyoshi Yamaguchi, Yukihiko Kimura | 2025-09-02 |
| 12401050 | Fuel cell ship | Takehiro Maruyama, Yasuyoshi Yamaguchi, Takuya Hiraiwa, Yukihiko Kimura | 2025-08-26 |
| 12394809 | Fuel cell ship | Takehiro Maruyama, Yasuyoshi Yamaguchi, Takuya Hiraiwa, Yukihiko Kimura | 2025-08-19 |
| 12394810 | Fuel cell ship | Yasuyoshi Yamaguchi, Takehiro Maruyama, Takuya Hiraiwa, Yukihiko Kimura | 2025-08-19 |