Issued Patents 2004
Showing 1–1 of 1 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 | Naohisa Koyanagi | 2004-07-20 |
Showing 1–1 of 1 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 | Naohisa Koyanagi | 2004-07-20 |