Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699749 | Exhaust system, hull, and speed indicator for watercraft | Mitsuhisa Hirano, Yasukazu Kojima | 1997-12-23 |
HY
Hisato Yamada
Overall (1997): #140,030 of 185,788Top 80%
1
Patents 1997