Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593280 | Propeller for boat | Hideaki Takada, Ikuo Nakazato | 1997-01-14 |
TA
Takao Aihara
Overall (1997): #72,944 of 185,788Top 40%
1
Patents 1997