Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5156188 | Flow control valve | Yasunori Ichikawa, Kunio Mutoh | 1992-10-20 |
RW
Ryozo Wakita
Overall (All Time): #3,861,510 of 4,157,543Top 95%
1
Patents All Time