Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8315073 | Isolated switching power supply device | Tadahiko Matsumoto | 2012-11-20 |
| 7630217 | Synchronous rectification forward converter | — | 2009-12-08 |
| 7480158 | Synchronous rectifying forward converter | Tadahiko Matsumoto | 2009-01-20 |
| 7423889 | Forward converter with synchronous rectification | — | 2008-09-09 |
| 7158394 | Switching power supply circuit with a soft-start function | Seiichi Takahashi, Takayoshi Nishiyama, Jun Nagai | 2007-01-02 |
| 6459594 | Switching power supply apparatus and method | Hitoshi Tsuji | 2002-10-01 |
| 6038144 | DC-DC converter | Tadahiko Matsumoto | 2000-03-14 |