Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6599111 | Vane pump having an intake groove through a side wall member | Kazuyoshi Ishizaki, Yukio Uchida, Miyoko Hamao | 2003-07-29 |
| 5782161 | Axial plunger pump with a partition between the lubricating chamber and the working fluid chamber | Yoshio Okubo, Toshiaki Hori, Hiroyuki Watanabe, Hirokazu AKIBA | 1998-07-21 |
| 5170626 | Hydraulic flow control system for automotive vehicle | Miyoko Hamao | 1992-12-15 |
| 5141418 | Variable capacity type vane pump with a variable restriction orifice | Teruhiko Mochizuki, Yoshio Okubo, Miyoko Hamao | 1992-08-25 |
| 5098259 | Fluid pump unit with flow control valve | Miyoko Hamao | 1992-03-24 |