Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6599111 | Vane pump having an intake groove through a side wall member | Mizuo Ohtaki, Kazuyoshi Ishizaki, Yukio Uchida | 2003-07-29 |
| 5613840 | Pump including a control valve and sealing member | Kazuyoshi Ishizaki, Masateru Yamamuro, Atsushi Ishizuka, Shouji Ohya | 1997-03-25 |
| 5595478 | Pump and control valve with annular sealing member to prevent corrosion | Kazuyoshi Ishizaki, Masateru Yamamuro, Atsushi Ishizuka, Shouji Ohya | 1997-01-21 |
| 5540566 | Pump including a control valve | Kazuyoshi Ishizaki, Masateru Yamamuro, Atsushi Ishizuka, Shouji Ohya | 1996-07-30 |
| 5236315 | Hydraulic pump for power-assisted steering system | Kazuyoshi Ishizaki, Masahiko Hara | 1993-08-17 |
| 5170626 | Hydraulic flow control system for automotive vehicle | Mizuo Ohtaki | 1992-12-15 |
| 5141418 | Variable capacity type vane pump with a variable restriction orifice | Mizuo Ohtaki, Teruhiko Mochizuki, Yoshio Okubo | 1992-08-25 |
| 5112199 | Fluid pump unit with flow control valve | Mizuo Otaki | 1992-05-12 |
| 5098259 | Fluid pump unit with flow control valve | Mizuo Ohtaki | 1992-03-24 |