Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5894087 | Speed sensor for watercraft | Sumihiro Takashima | 1999-04-13 |
KO
Kenichi Ohtuka
Overall (All Time): #3,647,090 of 4,157,543Top 90%
1
Patents All Time