Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7455158 | Viscous fluid coupling device | Ryuta Miura, Yasuo Ozawa | 2008-11-25 |
| 5593013 | Fluid coupling for an engine | — | 1997-01-14 |
| 5509516 | Viscous fluid coupling | — | 1996-04-23 |
TY
Tsunekazu Yamauchi
Overall (All Time): #1,584,317 of 4,157,543Top 40%
3
Patents All Time