Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4640381 | Wall-mounted resin speaker cabinet | Yukio Tsuchiya | 1987-02-03 |
YM
Yutaka Matsukawa
Overall (All Time): #3,967,540 of 4,157,543Top 100%
1
Patents All Time