Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12428118 | Fuel cell ship | Takehiro Maruyama, Yasuyoshi Yamaguchi, Takuya Hiraiwa, Manabu Shinagawa | 2025-09-30 |
| 12407005 | Fuel cell ship | Takuya Hiraiwa, Takehiro Maruyama, Yasuyoshi Yamaguchi, Manabu Shinagawa | 2025-09-02 |
| 12401050 | Fuel cell ship | Takehiro Maruyama, Yasuyoshi Yamaguchi, Takuya Hiraiwa, Manabu Shinagawa | 2025-08-26 |
| 12394809 | Fuel cell ship | Manabu Shinagawa, Takehiro Maruyama, Yasuyoshi Yamaguchi, Takuya Hiraiwa | 2025-08-19 |
| 12394810 | Fuel cell ship | Yasuyoshi Yamaguchi, Takehiro Maruyama, Takuya Hiraiwa, Manabu Shinagawa | 2025-08-19 |
| 8538565 | Music playing apparatus, music playing method, recording medium storing music playing program, and integrated circuit that implement gapless play | Takahiro Kawakami, Masaaki Morioka, Junichi Nakahashi | 2013-09-17 |
| 5691525 | Data transfer system and data transfer terminal device | Shigeo Aoki, Takuya Oka | 1997-11-25 |