Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12307904 | System, boat, and electronic device | — | 2025-05-20 |
| 6105528 | Steering handle apparatus for watercraft | Takaaki Madachi | 2000-08-22 |
SK
Shigeru KUROI
Nhk Morse Co.: 1 patents #3 of 12Top 25%
Nhk Spring Co.: 1 patents #555 of 1,116Top 50%
Overall (All Time): #1,714,179 of 4,157,543Top 45%
2
Patents All Time