Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7859166 | Carbon brush produced by mixing a carbonaceous filler and a binder, and kneading, shaping, and baking the mixture | Daisuke Namikoshi, Fumihiro Hozumi, Shinichi Suzuki | 2010-12-28 |
| 7129615 | Metal coated carbon brush | Miyozi Arai, Kazuhiro Takahashi, Masayuki Takuma | 2006-10-31 |