Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4726113 | Process for manufacturing a commutator | Takashi Shibata, Nobuo Yamada, Masaki Iizima | 1988-02-23 |
| 4705977 | Molded commutator with enlarged diameter riser section | Takashi Shibata, Nobuo Yamada, Masaki Iizima | 1987-11-10 |