Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4449574 | Ventilation device | Masataka Yoshino, Yoshiki Hashimoto | 1984-05-22 |
YU
Yasunori Ushikosi
Overall (All Time): #4,034,693 of 4,157,543Top 100%
1
Patents All Time