Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8368374 | Comparator type DC-DC converter using synchronous rectification method | Ko Takemura | 2013-02-05 |
| 8049480 | Comparator-system DC-DC converter | Ko Takemura | 2011-11-01 |
| 7876081 | DC-DC converter with substantially constant on-time and constant switching frequency | Ko Takemura | 2011-01-25 |
| 7723971 | Power supply | — | 2010-05-25 |
| 7595620 | Switching regulator | Masaru Sakai, Kiyotaka Umemoto | 2009-09-29 |
| 7309976 | DC/DC converter having an internal power supply | — | 2007-12-18 |
| 7110257 | Electronic apparatus including printed wiring board provided with heat generating component | — | 2006-09-19 |
| 7026066 | Electronic apparatus using fuel cell | Akihiro Ozeki | 2006-04-11 |