Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12323077 | Motor drive device | Yasuaki Emura | 2025-06-03 |
| 12244255 | Electric motor drive device and refrigeration cycle application device | Koyo SHIMIZU | 2025-03-04 |
| 11863099 | Air conditioner and driving device | Takashi Yamakawa, Koichi Arisawa, Kenji Iwazaki, Keisuke Uemura | 2024-01-02 |
| 11711040 | Motor driving apparatus and refrigeration cycle equipment | Kazunori Hatakeyama, Kenji Takahashi | 2023-07-25 |
| 11711039 | Motor drive apparatus | Kenji Takahashi, Mitsuo Kashima, Tomohiro KUTSUKI | 2023-07-25 |
| 11705841 | Estimation device and AC motor drive device | Kenji Takahashi, Mitsuo Kashima, Tomohiro KUTSUKI | 2023-07-18 |
| 11682992 | Motor drive device, compressor drive system, and refrigeration cycle system | Kenji Takahashi, Mitsuo Kashima, Tomohiro KUTSUKI | 2023-06-20 |
| 11683001 | Motor driving apparatus | Kenji Iwazaki, Koichi Arisawa, Takashi Yamakawa, Keisuke Uemura | 2023-06-20 |
| 11632067 | Speed estimating device for AC motor, driving device for AC motor, refrigerant compressor, and refrigeration cycle apparatus | Yuriko Takeda, Kenji Takahashi, Mitsuo Kashima, Tomohiro KUTSUKI | 2023-04-18 |
| 11632068 | Motor driving device and air conditioner | Atsushi Tsuchiya, Kazunori Hatakeyama | 2023-04-18 |
| 11329587 | Motor driving apparatus, refrigeration cycle system, air conditioner, water heater, and refrigerator | Atsushi Tsuchiya, Kazunori Hatakeyama | 2022-05-10 |
| 11201576 | Motor driving apparatus and refrigeration cycle equipment | Kazunori Hatakeyama | 2021-12-14 |
| 11101728 | Power converting apparatus, motor drive control apparatus, blower, compressor, and air conditioner | Takashi Yamakawa, Shigeo Umehara | 2021-08-24 |
| 11005404 | Motor driving apparatus | Takashi Yamakawa, Koichi Arisawa, Keisuke Uemura, Kenji Iwazaki | 2021-05-11 |
| 11005410 | Motor driving apparatus | Kenji Iwazaki, Koichi Arisawa, Takashi Yamakawa, Keisuke Uemura | 2021-05-11 |
| 10756666 | Electric-motor driving apparatus, electric motor system and refrigeration cycle apparatus | Koichi Arisawa, Shigeo Umehara | 2020-08-25 |
| 10686397 | Motor system, motor drive device, refrigeration cycle device, and air conditioner | Shigeo Umehara, Koichi Arisawa, Yosuke Shinomoto, Takashi Yamakawa | 2020-06-16 |