Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7232293 | Manual hydraulic pump | Kenichi Shimada | 2007-06-19 |
| 7152545 | Manual hydraulic steering apparatus | Kenichi Shimada | 2006-12-26 |
| 7147525 | Hydraulic steering apparatus for an outboard engine | Katsuhiko Arakawa | 2006-12-12 |
| 7037152 | Steering apparatus for an outboard marine engine | Kenichi Shimada, Katsuhiko Arakawa | 2006-05-02 |