Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11509232 | Power converter and air-conditioning apparatus using the same | Kenta Yuasa, Akihiro Tsumura, Shigeo Takata | 2022-11-22 |
| 11489478 | Power conversion device | Sota Sano, Akira Satake | 2022-11-01 |
| 11309709 | High-frequency current compensator and air-conditioning system | Keisuke Ishikura, Kazuyuki Mitsushima, Keiichi Yamamoto | 2022-04-19 |
| 11211875 | Power converter, compressor, air-sending device, and air-conditioning apparatus | Akihiro Tsumura, Shigeo Takata, Kazunori Sakanobe | 2021-12-28 |
| 11112130 | Refrigeration cycle apparatus | Yoshihiro Taniguchi, Shigeo Takata, Takahiko Kobayashi, Takanori Koike | 2021-09-07 |
| 11015820 | Outdoor unit and air conditioner | Masaki Muramatsu, Keiji Harada, Shinji Murata, Osamu Morimoto, Shigetoshi Ipposhi | 2021-05-25 |
| 10724748 | Air-conditioning apparatus | Yoshihiro Taniguchi, Shigeo Takata, Daisuke Abe, Tomoki Kobayashi | 2020-07-28 |
| 10700625 | Power conversion device | Takahiko Kobayashi, Kazuyoshi Watabu | 2020-06-30 |
| 10605500 | Heat pump device, air conditioner, and freezer | Shota Kamiya, Kazunori Hatakeyama, Kenta Yuasa, Shinya Matsushita, 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 | Kenta Yuasa, Shuta Ishikawa, Akihiro Tsumura | 2019-04-16 |
| 10250037 | Harmonic current compensator and air-conditioning system | Akinori Hashimoto | 2019-04-02 |
| 10211753 | Power conversion device and air-conditioning apparatus | Keiwa Tsukano, Takahiko Kobayashi, Yoshihiro Taniguchi | 2019-02-19 |
| 10208991 | Heat pump device, and air conditioner, heat pump water heater, refrigerator and freezing machine including heat pump device | Kazunori Hatakeyama, Syota Kamiya, Kenta Yuasa, Shinya Matsushita, 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, Kenta Yuasa +1 more | 2018-06-19 |
| 9998007 | Boost converter with flying capacitor and refrigeration circuit | Kenta Yuasa, Akihiro Tsumura, Akihiko Iwata | 2018-06-12 |
| 9941834 | Power conversion apparatus and air-conditioning apparatus including the power conversion apparatus | Keiwa Tsukano, Akihiko Iwata, Kenta Yuasa, Akihiro Tsumura | 2018-04-10 |
| 9935569 | Motor drive control apparatus, compressor, fan, and air-conditioning apparatus | Akihiro Tsumura, Kenta Yuasa | 2018-04-03 |
| 9903629 | Heat pump device, air conditioner, and freezer | Shota Kamiya, Kazunori Hatakeyama, Kenta Yuasa, Shinya Matsushita, Tsutomu Makino | 2018-02-27 |
| 9829234 | Heat pump device, heat pump system, and method for controlling inverter | Kazunori Hatakeyama, Syota Kamiya, Kenta Yuasa, Shinya Matsushita, Tsutomu Makino | 2017-11-28 |
| 9829226 | Heat pump device, heat pump system, and method for controlling inverter | Kazunori Hatakeyama, Takuya Shimomugi, Shinya Matsushita, Tsutomu Makino | 2017-11-28 |
| 9787246 | Motor drive control device, compressor, air-sending device, and air-conditioning apparatus | Akihiro Tsumura, Kenta Yuasa | 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, Kenta Yuasa, Shinya Matsushita | 2017-09-26 |
| 9746216 | Heat pump device, heat pump system, air conditioner, and freezer | Takashi Yamakawa, Kazunori Hatakeyama, Shota Kamiya, Shinya Matsushita, Tsutomu Makino | 2017-08-29 |