Issued Patents All Time
Showing 1–25 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11430535 | Semiconductor device and test method thereof | — | 2022-08-30 |
| 11316504 | Apparatus comprising a differential amplifier | — | 2022-04-26 |
| 10848146 | Reset circuit | — | 2020-11-24 |
| 10236680 | Control circuit of switching power supply device | — | 2019-03-19 |
| 10141861 | Power conversion unit, power converter and method of manufacturing power converter | Yukio Hattori, Hiroshi Kamizuma, Daisuke Matsumoto, Akira MIMA, Yuuichi MABUCHI | 2018-11-27 |
| 10014793 | Power conversion unit, power converter, and power conversion method | Akira MIMA, Yukio Hattori, Yuichi Mabuchi, Daisuke Matsumoto, Hiroshi Kamiduma | 2018-07-03 |
| 10008953 | Power conversion device and power conversion method for power conversion device | Hiroshi Kamizuma, Yukio Hattori, Akira MIMA, Daisuke Matsumoto, Yuuichi MABUCHI | 2018-06-26 |
| 9985535 | Control circuit of switching power supply, insulated switching power supply | — | 2018-05-29 |
| 9917529 | Power conversion unit, power converter and method of manufacturing power converter | Yukio Hattori, Hiroshi Kamizuma, Daisuke Matsumoto, Akira MIMA, Yuuichi MABUCHI | 2018-03-13 |
| 9906154 | Power conversion unit and power conversion device | Yukio Hattori, Hiroshi Kamizuma, Akira MIMA, Daisuke Matsumoto, Yuuichi MABUCHI | 2018-02-27 |
| 9807913 | Cooling structure of heating element and power conversion device | Daisuke Matsumoto, Akira MIMA, Yuuichi MABUCHI, Yukio Hattori, Hiroshi Kamizuma +2 more | 2017-10-31 |
| 9762130 | Switching controller for switching power supply | — | 2017-09-12 |
| 9755527 | Switching power supply device | — | 2017-09-05 |
| 9729069 | Control device of a switching power supply | — | 2017-08-08 |
| 9602012 | Apparatus and method for controlling switching power supply | — | 2017-03-21 |
| 9532489 | Power conversion device | Yuuichi MABUCHI, Daisuke Matsumoto, Akira MIMA, Yukio Hattori, Hiroshi Kamizuma | 2016-12-27 |
| 9497887 | Cooling structure for heating element and power converter | Daisuke Matsumoto, Yuuichi MABUCHI, Akira MIMA, Yukio Hattori, Hiroshi Kamizuma +2 more | 2016-11-15 |
| 9437797 | Cooling structure of heating element and power conversion device | Daisuke Matsumoto, Akira MIMA, Yuuichi MABUCHI, Yukio Hattori, Hiroshi Kamizuma +2 more | 2016-09-06 |
| 9236321 | Semiconductor device and manufacturing method thereof | Tomoaki Uno | 2016-01-12 |
| 9124187 | Control device for switching power source | — | 2015-09-01 |
| 8934274 | Power conversion apparatus | — | 2015-01-13 |
| 8847566 | Switching power supply with mode transition control | Masahiro Sasaki | 2014-09-30 |
| 8692531 | Switching regulator performing output voltage changing function | — | 2014-04-08 |
| 8618632 | Semiconductor device and multi-layered wiring substrate | Takayuki Hashimoto | 2013-12-31 |
| 8598942 | Current correction circuit for power semiconductor device and current correction method | — | 2013-12-03 |