Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12375005 | Power converter and air-conditioning apparatus | Kenji Iwazaki, Keiwa Tsukano | 2025-07-29 |
| 12173944 | Refrigerating and air-conditioning apparatus | Kazunori Sakanobe, Yasuhiko Wada, Chitose TANAKA | 2024-12-24 |
| 12032025 | Permanent magnet synchronous motor diagnostic device and inverter comprising the same | Kazunori Sakanobe, Mamoru Kamikura, Toshiyuki KURIYAMA | 2024-07-09 |
| 11509232 | Power converter and air-conditioning apparatus using the same | Akihiro Tsumura, Shigeo Takata, Shinsaku Kusube | 2022-11-22 |
| 11486613 | Power converter and air-conditioning apparatus employing the same | Yoshihiro Taniguchi, Yoshikazu NOZUKI | 2022-11-01 |
| 10605500 | Heat pump device, air conditioner, and freezer | Shota Kamiya, Kazunori Hatakeyama, Shinya Matsushita, Shinsaku Kusube, Tsutomu Makino | 2020-03-31 |
| 10404196 | Backflow preventing device, power conversion apparatus, and refrigerating and air-conditioning apparatus | Takuya Shimomugi, Koichi Arisawa, Takashi Yamakawa, Keisuke Uemura, Noriyuki Matsubara +2 more | 2019-09-03 |
| 10263539 | Power converter and air-conditioning apparatus using the same | Shuta Ishikawa, Akihiro Tsumura, Shinsaku Kusube | 2019-04-16 |
| 10208991 | Heat pump device, and air conditioner, heat pump water heater, refrigerator and freezing machine including heat pump device | Kazunori Hatakeyama, Syota Kamiya, Shinya Matsushita, Shinsaku Kusube, Tsutomu Makino | 2019-02-19 |
| 10116205 | Power conversion device and refrigerating and air-conditioning apparatus | Koichi Arisawa, Takuya Shimomugi, Takashi Yamakawa, Keisuke Uemura, Noriyuki Matsubara +2 more | 2018-10-30 |
| 10003184 | Backflow preventing device, power conversion device, and refrigeration air-conditioning apparatus | Takuya Shimomugi, Koichi Arisawa, Takashi Yamakawa, Keisuke Uemura, Shinsaku Kusube +1 more | 2018-06-19 |
| 9998007 | Boost converter with flying capacitor and refrigeration circuit | Shinsaku Kusube, Akihiro Tsumura, Akihiko Iwata | 2018-06-12 |
| 9941834 | Power conversion apparatus and air-conditioning apparatus including the power conversion apparatus | Keiwa Tsukano, Akihiko Iwata, Shinsaku Kusube, Akihiro Tsumura | 2018-04-10 |
| 9935569 | Motor drive control apparatus, compressor, fan, and air-conditioning apparatus | Akihiro Tsumura, Shinsaku Kusube | 2018-04-03 |
| 9903629 | Heat pump device, air conditioner, and freezer | Shota Kamiya, Kazunori Hatakeyama, Shinya Matsushita, Shinsaku Kusube, Tsutomu Makino | 2018-02-27 |
| 9829234 | Heat pump device, heat pump system, and method for controlling inverter | Kazunori Hatakeyama, Syota Kamiya, Shinya Matsushita, Shinsaku Kusube, Tsutomu Makino | 2017-11-28 |
| 9816737 | DC power-supply device and refrigeration cycle device | Shota Kamiya, Kazunori Hatakeyama, Norikazu Ito, Shoji Isoda | 2017-11-14 |
| 9787246 | Motor drive control device, compressor, air-sending device, and air-conditioning apparatus | Akihiro Tsumura, Shinsaku Kusube | 2017-10-10 |
| 9772131 | Heat pump device, and air conditioner, heat pump water heater, refrigerator, and freezing machine including heat pump device | Kazunori Hatakeyama, Shota Kamiya, Shinya Matsushita, Shinsaku Kusube | 2017-09-26 |
| 9739515 | Heat pump device, air conditioner, and freezer that efficiently heats refrigerant on standby | Shota Kamiya, Kazunori Hatakeyama, Shinya Matsushita, Shinsaku Kusube, Tsutomu Makino | 2017-08-22 |
| 9742267 | Power conversion apparatus and refrigeration air-conditioning apparatus | Koichi Arisawa, Takuya Shimomugi, Takashi Yamakawa, Keisuke Uemura, Yosuke Shinomoto +3 more | 2017-08-22 |
| 9735666 | Power conversion device | Takuya Shimomugi, Yosuke Shinomoto, Shinsaku Kusube | 2017-08-15 |
| 9712071 | Power conversion device and air-conditioning apparatus | Shinsaku Kusube, Akihiro Tsumura | 2017-07-18 |
| 9692289 | DC power-supply device and refrigeration-cycle application device including the same | Shota Kamiya, Kazunori Hatakeyama, Norikazu Ito, Shoji Isoda | 2017-06-27 |
| 9692312 | Power conversion apparatus, and air-conditioning apparatus using the same | Shinsaku Kusube, Akihiro Tsumura, Takuya Shimomugi | 2017-06-27 |