Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6949863 | Metal-graphite brush | Takayoshi Otani, Osamu Takada, Toshio Ishikawa, Mitsuo Ikeda, Yoichi Sakaura +4 more | 2005-09-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6949863 | Metal-graphite brush | Takayoshi Otani, Osamu Takada, Toshio Ishikawa, Mitsuo Ikeda, Yoichi Sakaura +4 more | 2005-09-27 |