Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6774522 | Rotor with slot wedges having different dimension to reduce stress | Hiroshi Aoyama, Hidehiro Ejima | 2004-08-10 |
| 6674210 | Rotary electric machine | Hiroshi Aoyama, Hidehiro Ejima, Takashi Shibata | 2004-01-06 |