Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876527 | Vehicle speed detecting device | Hiroki Oka | 1989-10-24 |
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Nobuyoshi Nagura
Overall (1989): #72,714 of 140,708Top 55%
1
Patents 1989