Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6687143 | Rectifying circuit and switching power supply device having the same | Junichi Yamamoto, Masahiro Gamou, Katsuhiko Shimizu | 2004-02-03 |
| 6683797 | Multi-stage DC—DC converter | Toshiyuki Zaitsu | 2004-01-27 |