Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4838842 | Pulley in which ceramic particles are exposed on the surface | Hiroshi Takahashi | 1989-06-13 |
| 4570852 | Drain valve | — | 1986-02-18 |
| 4523605 | Freeze preventing valve | — | 1985-06-18 |
| 4522219 | Freeze preventing valve | — | 1985-06-11 |
| 4497241 | Device for automatically adjusting angle of louver | — | 1985-02-05 |
| 4444721 | Resilient supporting member for exhaust gas catalytic converter | — | 1984-04-24 |