Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12233793 | Power conversion apparatus, electric power system for aircraft, and method of controlling power conversion apparatus | Junichi NAKASHIMA, Kenji Fujiwara, Kozo Harada, Kunihiko Tajiri | 2025-02-25 |
| 12183498 | Power conversion device | Hiroyuki KIYONAGA, Kenta FUJII, Tomohito FUKUDA | 2024-12-31 |
| 12133369 | Power conversion device | Yuta Yoshimi, Kenta FUJII, Hiroyuki Yahara, Hiroyuki KIYONAGA, Tomohito FUKUDA | 2024-10-29 |
| 11373832 | Electric-power conversion apparatus | Kenta FUJII, Masahiro Ueno, Tomoaki Shimano | 2022-06-28 |
| 11350517 | Circuit device and power conversion device | Hiroyuki Yahara, Kenta FUJII, Tomohito FUKUDA, Takashi Kumagai, Koji Nakajima | 2022-05-31 |
| 11239021 | Isolated converter | Koji Nakajima, Shota Sato, Kenta FUJII, Jun Tahara | 2022-02-01 |
| 11206729 | Power circuit device | Shota Sato, Koji Nakajima, Takashi Kumagai | 2021-12-21 |
| 11129309 | Cooling device, lid-equipped cooling device, case with cooling device, and inverter | Yoshikazu Tsunoda, Kazushi Ikurumi, Keiji Harada, Masanori Kageyama | 2021-09-21 |
| 11049640 | Circuit device and power converter | Kenta FUJII, Koji Nakajima, Jun Tahara, Takashi Kumagai | 2021-06-29 |
| 11049682 | Electric-power conversion apparatus | Kenta FUJII, Masahiro Ueno, Tomoaki Shimano | 2021-06-29 |
| 10912232 | Electronic circuit board and power conversion device | Koji Nakajima, Kenta FUJII, Shota Sato | 2021-02-02 |
| 10912186 | Semiconductor device | Shota Sato, Tsuneo Hamaguchi, Kenta FUJII | 2021-02-02 |
| 10748859 | Power converting device | Kenta FUJII, Masahiro Ueno, Tomoaki Shimano | 2020-08-18 |
| 10404178 | Insulation type step-up converter | Koji Nakajima, Takashi Kumagai, Yujiro Kido | 2019-09-03 |
| 10199159 | Insulation type step-down coverter | Koji Nakajima, Takashi Kumagai, Yujiro Kido | 2019-02-05 |
| 9960697 | Insulation type step-down converter | Koji Nakajima, Takashi Kumagai, Yujiro Kido | 2018-05-01 |
| 9941044 | Insulation type step-down converter | Koji Nakajima, Takashi Kumagai, Yujiro Kido, Kenji NISHIZAKA | 2018-04-10 |
| 9812929 | Electric rotating machine | Dai Nakajima, Masahiko Fujita, Masaki Kato | 2017-11-07 |
| 9698646 | Rotating electrical machine | Dai Nakajima, Masahiko Fujita | 2017-07-04 |
| 9531318 | Rotating electrical machine | Dai Nakajima, Masahiko Fujita | 2016-12-27 |
| 8643234 | Electrical rotating machine | Masao Kikuchi, Masahiko Fujita, Hitoshi Isoda | 2014-02-04 |
| 8299666 | Control apparatus-integrated dynamoelectric machine | Dai Nakajima, Masahiko Fujita, Masaki Kato, Kazuyasu Sakamoto, Takuya Oga | 2012-10-30 |
| 8004130 | Rotating electric machine and manufacturing method therefor | Masao Kikuchi, Yoshinobu Utsumi, Hitoshi Isoda, Masahiko Fujita | 2011-08-23 |
| 7880299 | Semiconductor device | Toru Kimura | 2011-02-01 |
| 7635938 | Vehicular rotary electric machine | Masao Kikuchi, Naohide Maeda | 2009-12-22 |