Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7176594 | Motor | Rikuro Obara | 2007-02-13 |
| 7160622 | Oil repelling agent | Takahiko Ito | 2007-01-09 |
| 6890389 | Method for treating sulfur free-cutting alloy steel | Masato Nasu | 2005-05-10 |
| 6734590 | Motor | Rikuro Obara | 2004-05-11 |
| 6559573 | Spindle motor and pivot assembly | Toshisada Koyama | 2003-05-06 |