Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10110123 | DC-DC converter | — | 2018-10-23 |
| 9906141 | DC-DC converter | — | 2018-02-27 |
| 9837896 | DC-to-DC converter | — | 2017-12-05 |
| 9704677 | Contact contacting structure | — | 2017-07-11 |
| 8582320 | Self-excited switching power supply circuit | Katsuhiko Okitsu, Kenji Hatano, Yoshitaka Kimura | 2013-11-12 |
| 8437151 | Self-excited switching power supply circuit | Katsuhiko Okitsu, Kenji Hatano | 2013-05-07 |
| 7123490 | Synchronous rectifying switching power source circuit | — | 2006-10-17 |
| 7027313 | Constant voltage output control method and constant voltage output control device for switching power supply circuit | — | 2006-04-11 |
| 7012816 | Self-excited switching power supply circuit | — | 2006-03-14 |
| 6867986 | Constant current output control method and constant current output control device for switching power supply circuit | — | 2005-03-15 |
| 6542388 | Intermittent switching power supply circuit | — | 2003-04-01 |