Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5621457 | Sighting direction detecting device for vehicle | Takuo Ishiwaka | 1997-04-15 |
HS
Hirosi Saitou
Overall (1997): #140,782 of 185,788Top 80%
1
Patents 1997