Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8241518 | Soft magnetic material and dust core | Naoto Igarashi, Takao Nishioka, Yoshiyuki Shimada | 2012-08-14 |
| 8062583 | Method for producing soft magnetic powdered core | Chio Ishihara, Kazuo Asaka, Kohei Muramatsu, Hirotake Hamamatsu | 2011-11-22 |
| 8029626 | Method for producing soft magnetic powdered core | Chio Ishihara, Kazuo Asaka, Kohei Muramatsu, Hirotake Hamamatsu | 2011-10-04 |
| 7541906 | Sintered plunger and production method therefor | Kazuo Asaka, Aya Hamano | 2009-06-02 |
| 7273527 | Production method for powdered core | Chio Ishihara, Kazuo Asaka, Kei Ishii, Tamio Takada, Isao Makino | 2007-09-25 |
| 7211158 | Production method for powdered core | Chio Ishihara, Kazuo Asaka, Kei Ishii, Tamio Takada, Isao Makino | 2007-05-01 |