Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6384498 | Compact vibration motor | Tadao Yamaguchi, Toru Arai | 2002-05-07 |
| 6359364 | Brush apparatus of small motor and method for manufacturing the same | Tadao Yamaguchi, Toru Arai | 2002-03-19 |