Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5950577 | Water pump | Norio Sasaki, Yasuo Ozawa, Itsuro Hashiguchi | 1999-09-14 |
| 5836271 | Water pump | Norio Sasaki, Yasuo Ozawa, Itsuro Hashiguchi | 1998-11-17 |
| 5785491 | Liquid pump having a driving unit and a driven unit with a resilient seal therebetween | Yasuo Ozawa, Itsuro Hashiguchi | 1998-07-28 |
| 5535868 | Viscous fluid coupling device | — | 1996-07-16 |
| 5190131 | Fluid coupling having a pump seal | — | 1993-03-02 |
| 4979601 | Viscous fluid coupling with reduced scatter | Ryuji Nakamura | 1990-12-25 |