Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5853074 | Viscous fluid coupling | Hideaki Takahashi, Ryuji Nakamura | 1998-12-29 |
| 5381761 | Fan coupling for an engine of a vehicle | — | 1995-01-17 |
| 4998607 | Fluid coupling having damped bimetallic spring | Kenichiro Mizutani, Atsushi Ohmi | 1991-03-12 |
| 4909368 | Fluid coupling apparatus | Masaharu Hayashi | 1990-03-20 |
| 4907682 | Viscous fluid coupling device | Masaharu Hayashi | 1990-03-13 |
| 4702360 | Viscous fluid coupling | — | 1987-10-27 |