Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8062583 | Method for producing soft magnetic powdered core | Chio Ishihara, Kazuo Asaka, Kohei Muramatsu, Tsuyoshi Akao | 2011-11-22 |
| 8029626 | Method for producing soft magnetic powdered core | Chio Ishihara, Kazuo Asaka, Kohei Muramatsu, Tsuyoshi Akao | 2011-10-04 |
| 7586230 | Brush, commutator, and commutator device | Youichi Murakami, Ryoichi Honbo, Kenzo Kiyose, Mitsuo Ikeda, Yoichi Sakaura +2 more | 2009-09-08 |