Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4760301 | Commutator usable for an electric motor | Toshio Takahashi | 1988-07-26 |
| 4726113 | Process for manufacturing a commutator | Takashi Shibata, Nobuo Yamada, Yoshikazu Mada | 1988-02-23 |
| 4705977 | Molded commutator with enlarged diameter riser section | Takashi Shibata, Nobuo Yamada, Yoshikazu Mada | 1987-11-10 |