Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6966339 | Spool valve arrangement | Tsuyoshi Watanabe, Tsutomu Sawada | 2005-11-22 |
| 6874997 | Pump system using a control fluid to drive a switching valve mechanism for an actuating fluid | Tsuyoshi Watanabe, Masao Morishita, Tsutomu Sawada | 2005-04-05 |