Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5699749 | Exhaust system, hull, and speed indicator for watercraft | Hisato Yamada, Mitsuhisa Hirano | 1997-12-23 |
YK
Yasukazu Kojima
Overall (1997): #57,629 of 185,788Top 35%
1
Patents 1997