Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5593280 | Propeller for boat | Takao Aihara, Ikuo Nakazato | 1997-01-14 |
HT
Hideaki Takada
Overall (1997): #140,443 of 185,788Top 80%
1
Patents 1997