Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6663344 | Copper-based sintered alloy bearing and motor fuel pump | Noboru Kanezaki, Tsuneo Murayama | 2003-12-16 |
| 6657355 | Plane commutator with metal base plate and carbon compound segments having projections | Kenzo Kiyose | 2003-12-02 |
| 6524365 | Bearing made of graphite-dispersed copper-based sintered alloy and motorized fuel pump using this bearing | Noboru Kanezaki, Tsuneo Maruyama | 2003-02-25 |
| 6525445 | Plane commutator and method of manufacturing the same | Kenzo Kiyose, Kiyotoshi Oi | 2003-02-25 |