Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8988064 | Current detection circuit and transformer current measuring system | Yasunori Hakoda | 2015-03-24 |
| 7880441 | DC-DC converter for carrying out constant output power control and maintaining a secondary battery at a set drooping voltage | — | 2011-02-01 |
| 7767328 | Fuel cell optimum operation point tracking system in power supply device using fuel cell and power supply device provided with this fuel cell optimum operation point tracking system | Yutaka Sekine, Hideki Fujimoto, Tetsuji Kitamori | 2010-08-03 |
| 7521898 | Charger, DC/DC converter including that charger, and control circuit thereof | — | 2009-04-21 |
| 7372236 | Charger and DC-DC converter | — | 2008-05-13 |