Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12227280 | Ship steering device | Kenichi Kirihara, Norio Kikuchi, Yusuke Amma, Kyohei Fukushi | 2025-02-18 |
| 12187402 | Ship steering device | Kenichi Kirihara, Norio Kikuchi, Yusuke Amma, Kyohei Fukushi | 2025-01-07 |
| 11945519 | Reaction force generating device and steering device | — | 2024-04-02 |
| 11661105 | Steering device | — | 2023-05-30 |
| 9777776 | Joint structure and power steering device | — | 2017-10-03 |
| 9683639 | Reaction force actuator and steering device | — | 2017-06-20 |
| 8984985 | Steering apparatus | — | 2015-03-24 |
| 7741743 | Feeder line drawing structure of motor for ship propeller | Akira Fujisaki | 2010-06-22 |