Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4689983 | Method for producing worm shaft for use in power steering apparatus | Sohsuke Sunaga | 1987-09-01 |
| 4587886 | Power steering device | Hirotetsu Sonoda | 1986-05-13 |
| 4488475 | Power steering apparatus | Yoshio Suzuki, Tadaaki Fujii | 1984-12-18 |
| 4458580 | Power steering apparatus | Yoshio Suzuki, Tadaaki Fujii | 1984-07-10 |
| 4443161 | Balanced dual chamber oil pump | Takeshi Ohe | 1984-04-17 |
| 4428399 | Power steering apparatus | Yoshio Tobisawa, Tadaaki Fujii | 1984-01-31 |
| 4415319 | Pump unit | Takeshi Ohe, Tadaaki Fujii | 1983-11-15 |
| 4400139 | Oil pump | Yoshio Suzuki, Takeshi Ohe | 1983-08-23 |