Issued Patents All Time
Showing 25 most recent of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11539361 | Semiconductor device signal transmission circuit for drive-control, method of controlling semiconductor device signal transmission circuit for drive-control, semiconductor device, power conversion device, and electric system for railway vehicle | Toru Masuda, Seiichi Hayakawa, Yuji Takayanagi, Takashi Wada | 2022-12-27 |
| 11296610 | Power conversion device, power conversion device control device, and power conversion device control method | Kimihisa Furukawa, Shintaro Tanaka, Akihiko Kanouda, Mizuki NAKAHARA, Yuuichi MABUCHI | 2022-04-05 |
| 11217385 | Transformer and electric power converter | Yuki Kawaguchi, Junpei Kusukawa, Yasuaki Norimatsu | 2022-01-04 |
| 11152870 | Power conversion device | Kimihisa Furukawa, Akihiko Kanouda, Yuuichi MABUCHI, Hiroyuki Shoji, Mitsuhiro KADOTA +1 more | 2021-10-19 |
| 11108334 | Power conversion device | Mizuki NAKAHARA, Kimihisa Furukawa, Mitsuhiro KADOTA | 2021-08-31 |
| 10998830 | Power conversion device and three-phase power conversion device | Mitsuhiro KADOTA | 2021-05-04 |
| 10862311 | Power conversion device and method for controlling power conversion device | Mitsuhiro KADOTA, Akihiko Kanouda, Yasuaki Norimatsu | 2020-12-08 |
| 10763739 | Power conversion device and power supply system using same | Shintaro Tanaka, Tadahiko Chida, Mikito Komatsu | 2020-09-01 |
| 10763754 | Power supply device | Takayuki Oouchi, Fumihiro Sato, Shintaro Tanaka, Kenji Kubo, Eigo Kishimoto | 2020-09-01 |
| 10615715 | Power conversion device, cooling structure, power conversion system, and power supply device | Yasuaki Norimatsu, Akihiko Kanouda, Yuuichi MABUCHI, Mitsuhiro KADOTA, Yuki Kawaguchi +2 more | 2020-04-07 |
| 10541549 | Power supply apparatus | Fumihiro Sato, Takuya Ishigaki, Takayuki Ouchi, Hiroyuki Shoji, Naoya Takahashi +1 more | 2020-01-21 |
| 10530271 | Power conversion device and power conversion system | Mizuki NAKAHARA, Yasuaki Norimatsu, Mitsuhiro KADOTA, Yuki Kawaguchi | 2020-01-07 |
| 10461553 | Power source device | Hiroyuki Shoji, Takayuki Oouchi, Fumihiro Sato, Kenji Kubo, Eigo Kishimoto | 2019-10-29 |
| 10381937 | Power converter having multiple switching legs | Shintaro Tanaka, Tadahiko Chida | 2019-08-13 |
| 10333398 | Charging apparatus | Naoya Takahashi, Hiroyuki Shoji | 2019-06-25 |
| 10063058 | Power converter | Fumikazu Takahashi, Kimiaki Taniguchi, Kosuke Abe | 2018-08-28 |
| 9887638 | Power conversion apparatus with frequency operation change based on input voltage | Yasuaki Norimatsu, Akihiko Kanouda, Yuuichi MABUCHI, Tadahiko Chida, Takuya Ishigaki | 2018-02-06 |
| 9806622 | Power conversion device and power conversion control method for the same | Yasuaki Norimatsu, Akihiko Kanouda, Yuuichi MABUCHI, Tadahiko Chida, Takuya Ishigaki | 2017-10-31 |
| 9755524 | DC-DC converter | Tomoyuki Hatakeyama | 2017-09-05 |
| 9750125 | Power supply apparatus | Yasuaki Norimatsu, Akihiko Kanouda, Yuuichi MABUCHI, Takuya Ishigaki | 2017-08-29 |
| 9595841 | DC-DC converter, secondary battery charge and discharge system, and method of controlling DC-DC converter | Hiroyuki Shoji, Kimiaki Taniguchi, Kuniyoshi Watanabe | 2017-03-14 |
| 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 | Akihiko Kanouda, Fumikazu Takahashi, Nobuyuki Aihara | 2016-04-05 |
| 9231424 | Charging system | Yuki Kawaguchi, Satoshi Asano, Akihiko Kanouda | 2016-01-05 |
| 9166501 | Power supply unit for converting power between DC and AC and operating method of the same | Akihiko Kanouda, Nobuyuki Aihara, Yoshihide Takahashi | 2015-10-20 |
| 9025345 | Power supply apparatus | Kimiaki Taniguchi, Hiroyuki Shoji | 2015-05-05 |