Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7876017 | Commutator and brush materials for small electric motor, clad composite material, and small electric DC motor using the same | Keiji Nakamura, Masahiro Takahashi, Shuichi Kubota, Takao Asada, Toshiya Yamamoto | 2011-01-25 |