Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12381033 | Laminated coil, coil device, and power conversion device | Takashi Kumagai, Tomohito FUKUDA, Shoichiro NISHIZAWA, Koshin Uomoto | 2025-08-05 |
| 12302500 | Power conversion device including substrates with connectors | Naoya Abe, Yoshihiro Takeshima, Satoshi Ishibashi, Yujiro Nakada, Yukiko Nakanishi | 2025-05-13 |
| 12183498 | Power conversion device | Hiroyuki KIYONAGA, Yuji Shirakata, Tomohito FUKUDA | 2024-12-31 |
| 12133369 | Power conversion device | Yuta Yoshimi, Yuji Shirakata, Hiroyuki Yahara, Hiroyuki KIYONAGA, Tomohito FUKUDA | 2024-10-29 |
| 12073983 | Power conversion device | Takashi Kumagai, Tomohito FUKUDA | 2024-08-27 |
| 12048970 | Laser processing apparatus | Motoaki NISHIWAKI, Nobuaki Tanaka, Masaki Seguchi, Kyohei ISHIKAWA | 2024-07-30 |
| 12007748 | Machining condition search device and machining condition search method | Hideyuki MASUI, Motoaki NISHIWAKI, Kyohei ISHIKAWA, Masaki Seguchi | 2024-06-11 |
| 11735906 | Power converter and breaking mechanism | Katsushi Nakada | 2023-08-22 |
| 11658089 | Semiconductor device | Shuji Wakaiki, Shota Sato, Takashi Kumagai | 2023-05-23 |
| 11373832 | Electric-power conversion apparatus | Yuji Shirakata, Masahiro Ueno, Tomoaki Shimano | 2022-06-28 |
| 11350517 | Circuit device and power conversion device | Hiroyuki Yahara, Yuji Shirakata, Tomohito FUKUDA, Takashi Kumagai, Koji Nakajima | 2022-05-31 |
| 11239021 | Isolated converter | Koji Nakajima, Shota Sato, Yuji Shirakata, Jun Tahara | 2022-02-01 |
| 11049682 | Electric-power conversion apparatus | Yuji Shirakata, Masahiro Ueno, Tomoaki Shimano | 2021-06-29 |
| 11049640 | Circuit device and power converter | Koji Nakajima, Yuji Shirakata, Jun Tahara, Takashi Kumagai | 2021-06-29 |
| 10916367 | Circuit device and power conversion device | Kazuaki FUKUI, Koji Nakajima, Shota Sato | 2021-02-09 |
| 10912232 | Electronic circuit board and power conversion device | Koji Nakajima, Yuji Shirakata, Shota Sato | 2021-02-02 |
| 10912186 | Semiconductor device | Shota Sato, Tsuneo Hamaguchi, Yuji Shirakata | 2021-02-02 |
| 10748859 | Power converting device | Yuji Shirakata, Masahiro Ueno, Tomoaki Shimano | 2020-08-18 |
| 10635089 | Servo control device | Hidetoshi Ikeda, Teruaki Fukuoka | 2020-04-28 |
| 9525187 | Gas diffusion layer for fuel cell, fuel cell, and method of manufacturing gas diffusion layer for fuel cell | Kenji Tsubosaka, Riri Fujito | 2016-12-20 |
| 8685311 | Melt spinning method | Hiroshi Koyama | 2014-04-01 |