Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11207990 | Wireless power transmission device and wireless power transmission system | Kazutoyo Fukunaga | 2021-12-28 |
| 9356519 | Current balance circuit of resonant type switching power-supply circuit | — | 2016-05-31 |
| 9356521 | Switching power-supply device having wide input voltage range | — | 2016-05-31 |
| 9337742 | Switching power-supply device | — | 2016-05-10 |
| 8724345 | Self power source apparatus | — | 2014-05-13 |
| 8644036 | Multi-output switching power supply device having a step-up/down converter between a stabilized output and a non-stabilized output | Makoto Sato | 2014-02-04 |
| 8542501 | Switching power-supply apparatus | — | 2013-09-24 |
| 8502572 | Gate driver | Akiteru CHIBA | 2013-08-06 |
| 8385089 | Multiple-output switching power supply unit | — | 2013-02-26 |
| 8385094 | Multiple-output switching power source apparatus | — | 2013-02-26 |
| 8189355 | Multiple output switching power source apparatus | — | 2012-05-29 |
| 8063507 | Multiple output switching power source apparatus | — | 2011-11-22 |
| 7944085 | Multiple output switching power source apparatus including multiple series resonant circuits | — | 2011-05-17 |
| 7773398 | DC power source device with timer controlled synchronous rectifiers in the secondary | — | 2010-08-10 |
| 7764089 | Device for driving switching elements | Akio Iwabuchi, Ryuichi Furukoshi | 2010-07-27 |
| 7629781 | Multi-output switching power supply | — | 2009-12-08 |
| 7566845 | Overheat protection circuit for power supply devices and direct-current power supply device | Hiroshi Usui | 2009-07-28 |
| 7375987 | Resonant switching power source apparatus | — | 2008-05-20 |
| 7372710 | Switching power source device of the type capable of controlling power loss in generating output voltage from a secondary winding of a transformer | — | 2008-05-13 |
| 7339799 | Switching power supply | Shohei Osaka, Yoichi Terasawa | 2008-03-04 |
| 7315461 | Power supply device | — | 2008-01-01 |
| 7315460 | Switching power supply device | — | 2008-01-01 |
| 7262977 | Switching-mode power supply having a synchronous rectifier | — | 2007-08-28 |
| 7212416 | Switching power supply device and switching method | — | 2007-05-01 |
| 7120036 | Switching-mode power supply having a synchronous rectifier | — | 2006-10-10 |