Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5950431 | Tandem pump apparatus | — | 1999-09-14 |
| 5842837 | Tandem pump apparatus | Hideki Nakayoshi | 1998-12-01 |
| 5490770 | Vane pump having vane pressurizing grooves | — | 1996-02-13 |
| 5398505 | Fluid pressure driving system | Hideki Nakayoshi | 1995-03-21 |