Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8314757 | Apparatus for driving light emitting elements and electronic appliance employing the apparatus | — | 2012-11-20 |
| 7768801 | Current resonant DC-DC converter of multi-output type | Hiroshi Usui, Yukihiro Kaminaga | 2010-08-03 |
| 7522430 | Switching power supply apparatus | — | 2009-04-21 |
| 7239533 | DC power supply apparatus | Yukinari Fukumoto, Toshirou Takeuchi | 2007-07-03 |
| 7212415 | Resonance type switching power source | — | 2007-05-01 |
| 7176660 | Switching power source apparatus and power factor corrector | Hiroshi Usui | 2007-02-13 |
| 7116561 | Resonant power source apparatus | — | 2006-10-03 |