Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12319153 | Electrified vehicle | Kenji Murasato | 2025-06-03 |
| 11283359 | Synchronous rectification DC-DC converter and switching power supply device | Yoshiaki Mizushima | 2022-03-22 |
| 10630180 | Power supply apparatus | Hajime SHIJI, Yoshiaki Mizushima, Shouhei Hirose | 2020-04-21 |
| 10243466 | Switching power supply apparatus and error correction method | — | 2019-03-26 |
| 10128748 | Switching power-supply apparatus and droop characteristic correction method | Hajime SHIJI | 2018-11-13 |
| 10063050 | Power supply system and power supply apparatus | — | 2018-08-28 |
| 9966844 | Switching power supply apparatus | — | 2018-05-08 |
| 9231484 | Switching power supply apparatus | — | 2016-01-05 |
| 9209697 | Switching power-supply device | Hajime SHIJI | 2015-12-08 |
| 9071155 | Switching power supply apparatus including a plurality of outputs | — | 2015-06-30 |
| 8933367 | Laser processing method | Motoki Kakui, Hiroshi Kohda, Yasuomi Kaneuchi, Shinobu Tamaoki, Shigehiro Nagano +2 more | 2015-01-13 |
| 8891255 | Switching power supply apparatus including simultanous control of multiple outputs | — | 2014-11-18 |
| 8630105 | Switching power supply apparatus including a PFC converter that suppresses harmonic currents | — | 2014-01-14 |
| 8625311 | Switching power supply apparatus including a plurality of switching elements | Tatsuya Hosotani | 2014-01-07 |
| 8587970 | Isolated switching power supply apparatus including primary-side and secondary-side digital control circuits | Akio Nishida | 2013-11-19 |
| 8508195 | PFC converter using a predetermined value that varies in synchronization with a phase of the input voltage | — | 2013-08-13 |
| 8427853 | Power factor correction converter including operation mode determination unit | — | 2013-04-23 |
| 8395366 | Power factor correction converter including input current detecting circuit | — | 2013-03-12 |
| 8274800 | DC-DC switching power supply with power factor correction | Tomokuni Tokugawa, Tatsuya Hosotani | 2012-09-25 |
| 8232780 | Power factor correction converter | — | 2012-07-31 |
| 8228696 | Power factor correction converter | — | 2012-07-24 |
| 8179703 | Power factor correction converter | — | 2012-05-15 |
| 7919950 | Power factor correction converter | Tomokuni Tokugawa, Tatsuya Hosotani | 2011-04-05 |
| 7719139 | Power supply unit | Akio Nishida, Hiroshi Takemura | 2010-05-18 |
| 7049539 | Method for surface treating a die by electron beam irradiation and a die treated thereby | Akira Okada, Kensuke Uemura, Raharjo Purwadi | 2006-05-23 |