Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6574081 | DC-DC converter | Tadahiko Matsumoto, Hitoshi Tsuji | 2003-06-03 |
| 6513230 | Coil apparatus and manufacturing method for the same | Keiji Inoue, Tadahiro Matsumoto | 2003-02-04 |