Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9246393 | Direct-current converter capable of increasing operating frequency | — | 2016-01-26 |
| 8605463 | Resonant switching power supply device to reduce a frequency increase in light loads | — | 2013-12-10 |
| 8421505 | Drive circuit for semiconductor switching element | — | 2013-04-16 |
| 8369110 | Switching power supply device of half-wave rectification current resonance type and method for starting same | — | 2013-02-05 |
| 8102677 | Switching power supply device and method for adjusting dead time thereof | — | 2012-01-24 |
| 7623363 | Resonant-type switching power supply device | — | 2009-11-24 |