Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6815862 | Multilayer brush | Youichi Murakami, Yasuyuki Wakahara, Masami Niimi, Teruo Kobayashi, Hiroaki Kawamura +1 more | 2004-11-09 |
| 6758881 | Metal-graphite brush and production method thereof | Takayoshi Otani, Osamu Takada, Mitsuo Ikeda, Yoichi Sakaura, Naoki Morita +5 more | 2004-07-06 |
| 6700292 | Metal-graphite brush | Takayoshi Otani, Mitsuo Ikeda, Yoichi Sakaura, Takahiro Sakamoto, Youichi Murakami +2 more | 2004-03-02 |
| 6674212 | Current-carrying member for a direct-current motor in a fuel pump, method for producing the same, and fuel pump | Youichi Murakami, Etsuo Kokuryu, Kenzo Kiyose, Keizo Takeuchi, Tokio Hotta +4 more | 2004-01-06 |