Issued Patents All Time
Showing 1–25 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12273041 | Bidirectional DC-DC converter with high control stability | Abhijit CHOUDHURY | 2025-04-08 |
| 12249828 | Power conversion device | Akira Kikuchi | 2025-03-11 |
| 12143001 | Power supply device | Minglei Gu | 2024-11-12 |
| 11296610 | Power conversion device, power conversion device control device, and power conversion device control method | Kimihisa Furukawa, Shintaro Tanaka, Takae Shimada, Mizuki NAKAHARA, Yuuichi MABUCHI | 2022-04-05 |
| 11201559 | Power conversion device and power conversion device connection method | Kimihisa Furukawa, Yuuichi MABUCHI, Yuki Kawaguchi | 2021-12-14 |
| 11152870 | Power conversion device | Kimihisa Furukawa, Yuuichi MABUCHI, Hiroyuki Shoji, Takae Shimada, Mitsuhiro KADOTA +1 more | 2021-10-19 |
| 10862311 | Power conversion device and method for controlling power conversion device | Mitsuhiro KADOTA, Yasuaki Norimatsu, Takae Shimada | 2020-12-08 |
| 10615715 | Power conversion device, cooling structure, power conversion system, and power supply device | Yasuaki Norimatsu, Yuuichi MABUCHI, Takae Shimada, Mitsuhiro KADOTA, Yuki Kawaguchi +2 more | 2020-04-07 |
| 9887638 | Power conversion apparatus with frequency operation change based on input voltage | Yasuaki Norimatsu, Yuuichi MABUCHI, Tadahiko Chida, Takuya Ishigaki, Takae Shimada | 2018-02-06 |
| 9806622 | Power conversion device and power conversion control method for the same | Yasuaki Norimatsu, Yuuichi MABUCHI, Tadahiko Chida, Takuya Ishigaki, Takae Shimada | 2017-10-31 |
| 9750125 | Power supply apparatus | Yasuaki Norimatsu, Yuuichi MABUCHI, Takuya Ishigaki, Takae Shimada | 2017-08-29 |
| 9306472 | Power supply device operating switching elements of first and second switching legs to charge first and second capacitors to a voltage higher than a voltage crest value of an AC power supply and method of operating the power supply device | Takae Shimada, Fumikazu Takahashi, Nobuyuki Aihara | 2016-04-05 |
| 9246337 | Battery pack and battery pack controller | Hiroshi Iwasawa, Akihiko Emori, Yutaka Kobayashi, Ko Takahashi | 2016-01-26 |
| 9231424 | Charging system | Yuki Kawaguchi, Takae Shimada, Satoshi Asano | 2016-01-05 |
| 9166501 | Power supply unit for converting power between DC and AC and operating method of the same | Takae Shimada, Nobuyuki Aihara, Yoshihide Takahashi | 2015-10-20 |
| 8724348 | Power-supply unit, hard-disk drive, and switching method of the power-supply unit | Takashi Sase, Yosuke Tsuyuki | 2014-05-13 |
| 8654551 | Supply device, and LED lighting equipment using the same | Takashi Sase, Yosuke Tsuyuki | 2014-02-18 |
| 8630104 | Switching power supply and display device provided the same | Takayuki Ouchi, Minoru Moteki | 2014-01-14 |
| 8605464 | Power converter, control method of power converter, and hard disk drive | Takashi Sase, Yosuke Tsuyuki, Hiroyuki Shoji | 2013-12-10 |
| 8305065 | Power supplying apparatus including a pulse-width modulation oscillator and smoothing filters | Takashi Sase, Yosuke Tsuyuki | 2012-11-06 |
| 8207717 | Buck-boost DC-DC converter with auxiliary inductors for zero current switching | Junpei Uruno, Hiroyuki Shoji, Yasuo Kaminaga | 2012-06-26 |
| 8199530 | Power supply unit, hard disk drive and method of switching the power supply unit | Takashi Sase, Yosuke Tsuyuki | 2012-06-12 |
| 8153903 | Circuit board and image display apparatus | Ryuji Kurihara, Fusao Sakuramori, Takeshi Mochizuki, Yoshihiko Sugawara, Masami Joraku | 2012-04-10 |
| 7977001 | Electronic equipment with fuel cell-power supply unit | Yasuaki Norimatsu, Mutsuml Kikuchi | 2011-07-12 |
| 7883808 | Power supply apparatus with fuel cell and method of controlling the same | Yasuaki Norimatsu, Mutsumi Kikuchi | 2011-02-08 |