Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5740879 | Power steering apparatus | Yukimitsu Minamibata, Ikuo Nomura, Tetsuya Koike | 1998-04-21 |
| 5634527 | Speed responsive power steering | — | 1997-06-03 |
| 5332055 | Power steering apparatus having hydraulic reaction mechanism | Ikuo Nomura, Tetsuya Koike | 1994-07-26 |
| 5330024 | Steering force control apparatus for power steering system | Ikuo Nomura | 1994-07-19 |
| 5263512 | Fluid control valve device | Yukimitsu Minamibata | 1993-11-23 |
| 5259474 | Steering force control apparatus for power steering system | — | 1993-11-09 |
| 5168949 | Steering force control system for power steering | Yukimitsu Minamibata | 1992-12-08 |
| 5158149 | Steering force control apparatus for power steering system | — | 1992-10-27 |
| 5152359 | Reaction pressure control mechanism of power steering apparatus | Yukimitsu Minamibata | 1992-10-06 |
| 5135068 | Hydraulic reaction device for power steering apparatus | Yukimitsu Minamibata | 1992-08-04 |
| 5097869 | Fluid control valve device | — | 1992-03-24 |
| 5069250 | Rotary valve for power steering apparatus | Yukimitsu Ninamibata | 1991-12-03 |
| 4913250 | Control apparatus of power steering device | Kouichi Ishizaka | 1990-04-03 |
| 4899842 | Steering force controller for power steering apparatus | Hiroshi Ohsaki, Ikuo Nomura | 1990-02-13 |
| 4877100 | Hydraulic reaction force apparatus for power steering system | Hiroshi Ohsaki, Ikuo Nomura | 1989-10-31 |
| 4793433 | Hydraulic reaction force apparatus for power steering system | Hirotetsu Sonoda | 1988-12-27 |
| 4709591 | Rack and pinion steering apparatus | Ikuo Nomura | 1987-12-01 |