Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6594157 | Low-loss magnetic powder core, and switching power supply, active filter, filter, and amplifying device using the same | Shoji Yoshida, Hidetaka Kenmotsu, Takao Mizushima, Yutaka Naito | 2003-07-15 |