Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4437178 | Record player | Seizo Miyoshi | 1984-03-13 |
BY
Bunitsu Yamaguchi
Overall (All Time): #4,031,148 of 4,157,543Top 100%
1
Patents All Time