Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8924053 | Vessel steering system | Makoto Itoi | 2014-12-30 |
| 7677937 | Operator control system of boat | Yasuhiko Ishida | 2010-03-16 |
YS
Yasuji Sekimoto
Overall (All Time): #2,063,393 of 4,157,543Top 50%
2
Patents All Time