Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4570771 | Viscous fluid coupling having centrifugal valve means | Takanobu Hori, Masaharu Hayashi | 1986-02-18 |
HY
Hiorji Yamaguchi
Overall (All Time): #3,990,566 of 4,157,543Top 100%
1
Patents All Time