Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227280 | Ship steering device | Kenichi Kirihara, Norio Kikuchi, Kyohei Fukushi, Akihiro Kogure | 2025-02-18 |
| 12187402 | Ship steering device | Kenichi Kirihara, Norio Kikuchi, Kyohei Fukushi, Akihiro Kogure | 2025-01-07 |