Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6765331 | Eccentric rotor having high density member, manufacturing method thereof, and flat coreless vibrator motor using the eccentric rotor | Kenji Oya | 2004-07-20 |
| 6762518 | Flat core brushless motor | Tadao Yamaguchi, Toru Arai | 2004-07-13 |