Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4774809 | Tandem type master cylinder with pressure proportioning valve deactivated by a slidable actuating member | Yoshihiro Hayashida, Yoshihiro Nakamura, Takashi Ishimaki | 1988-10-04 |
| 4435020 | Deceleration detecting valve responsive to failure in front brake circuit | — | 1984-03-06 |
| 4375252 | Shoe drum brake | Shinichi Izumi | 1983-03-01 |
| 4365845 | Hydraulic brake pressure control valve | — | 1982-12-28 |
| 4331364 | Hydraulic pressure control valve | Naganori Koshimizu | 1982-05-25 |
| 4258614 | Cylinder device | — | 1981-03-31 |