Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5244261 | Antiskid modulator with flow regulating and passage selecting valves | — | 1993-09-14 |
| 4898258 | Electric power steering apparatus | Yoshiaki Taniguchi, Hiroshi Nishikiori | 1990-02-06 |
| 4865146 | Four-wheel steering system | — | 1989-09-12 |
| 4838767 | Balanced vane type oil pumps | Hiroshi Ohsaki | 1989-06-13 |
| 4686438 | Electric power steering apparatus | Yoshiaki Taniguchi, Minoru Arai | 1987-08-11 |
| 4681182 | Electric power steering apparatus | Yoshio Suzuki, Ichiro Koike | 1987-07-21 |
| 4666011 | Electrical power steering apparatus | Ichiro Koike, Hideo Konishi | 1987-05-19 |
| 4645025 | Steering apparatus for vehicle | Tadaaki Fujii, Ichiro Koike | 1987-02-24 |
| 4616728 | Power steering device | Yoshio Suzuki | 1986-10-14 |
| 4593358 | Method and apparatus for controlling power steering | Sadao Takeshima | 1986-06-03 |
| 4582155 | Power steering apparatus | — | 1986-04-15 |
| 4580649 | Power steering apparatus | Hiroshi Ohsaki | 1986-04-08 |
| 4552240 | Power steering apparatus | Sadao Takeshima | 1985-11-12 |
| 4549627 | Power steering apparatus | Sadao Takeshima | 1985-10-29 |
| 4473341 | Balanced vane oil pumps | Hiroshi Ohsaki | 1984-09-25 |
| 4445818 | Apparatus for supplying hydraulic fluid | Hiroshi Ohsaki | 1984-05-01 |
| 4442857 | Flow control valve | Haruo Okamoto | 1984-04-17 |
| 4443161 | Balanced dual chamber oil pump | Naosuke Masuda | 1984-04-17 |
| 4421462 | Variable displacement pump of vane type | — | 1983-12-20 |
| 4415319 | Pump unit | Naosuke Masuda, Tadaaki Fujii | 1983-11-15 |
| 4412789 | Oil pump unit | Hiroshi Ohsaki | 1983-11-01 |
| 4400938 | Hydraulic fluid feeding device for power steering device | — | 1983-08-30 |
| 4400139 | Oil pump | Naosuke Masuda, Yoshio Suzuki | 1983-08-23 |
| 4343324 | Flow control valve | Haruo Okamoto | 1982-08-10 |
| 4216841 | Steering power control device for power steering | Tadao Ohtuka, Kunihiro Hamano | 1980-08-12 |