Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593280 | Propeller for boat | Hideaki Takada, Takao Aihara | 1997-01-14 |
IN
Ikuo Nakazato
Overall (1997): #138,394 of 185,788Top 75%
1
Patents 1997