Issued Patents All Time
Showing 1–25 of 55 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11114970 | Motor driver, heat pump system and refrigeration and air conditioning equipment using motor driver | Kazunori Hatakeyama, Keisuke Uemura, Koichi Arisawa | 2021-09-07 |
| 10978960 | Power converter and air conditioner equipped with the same | Kenji Iwazaki, Koichi Arisawa | 2021-04-13 |
| 10944350 | Motor drive device | Keiichiro SHIZU | 2021-03-09 |
| 10736476 | Electric vacuum cleaner and hand dryer | Yuji Takayama, Takashi Yamakawa | 2020-08-11 |
| 10690370 | Indoor equipment and air conditioner | Keisuke Uemura, Kazunori Hatakeyama, Mitsuo Kashima, Takashi Matsumoto | 2020-06-23 |
| 10686397 | Motor system, motor drive device, refrigeration cycle device, and air conditioner | Shigeo Umehara, Koichi Arisawa, Takashi Yamakawa, Shinya TOYODOME | 2020-06-16 |
| 10658966 | Motor driving apparatus, refrigerator, and air conditioner | Takashi Yamakawa, Koichi Arisawa, Shigeo Umehara | 2020-05-19 |
| 10658964 | Motor driving apparatus, vacuum cleaner, and hand dryer | Keisuke Uemura, Yuji Takayama | 2020-05-19 |
| 10658967 | Motor drive apparatus and air conditioner | Takuya Shimomugi, Norikazu Ito, Keisuke Uemura, Takashi Yamakawa | 2020-05-19 |
| 10594204 | Circuit board, active filter device, and air conditioner | Kenji Iwazaki, Kazunori Hatakeyama | 2020-03-17 |
| 10530288 | Motor drive apparatus and air conditioner | Takuya Shimomugi, Katsuhiko Saito, Norikazu Ito | 2020-01-07 |
| 10473367 | Heat pump apparatus | Tetsuhide Yokoyama, Shogo MOROE, Akira Satake, Masashi Fujitsuka, Takeshi Mori +3 more | 2019-11-12 |
| 10465965 | Heat pump apparatus, and air conditioner, heat pump water heater, and refrigerator including the heat pump apparatus | Takashi Yamakawa, Kazunori Hatakeyama, Takuya Shimomugi | 2019-11-05 |
| 10281185 | Motor driving device, and heat pump device and refrigerating and air conditioning device using the motor driving device | Keisuke Uemura, Kazunori Hatakeyama, Koichi Arisawa | 2019-05-07 |
| 10270380 | Power converting apparatus and heat pump device | Keisuke Uemura, Kazunori Hatakeyama, Takahiko Kobayashi, Yasuhiko Wada | 2019-04-23 |
| 10211765 | Motor control device, vacuum cleaner, and hand drier | Koichi Arisawa, Keisuke Uemura, Yuji Takayama | 2019-02-19 |
| 10177703 | Power conversion device and compressor driving device | Koichi Arisawa, Takashi Yamakawa, Yuji Takayama | 2019-01-08 |
| 10128775 | Motor drive apparatus and air conditioner | Takuya Shimomugi, Koichi Arisawa, Kazunori Hatakeyama | 2018-11-13 |
| 10113784 | Direct-current power supply device, motor driving device, air conditioner, and refrigerator | Kazunori Hatakeyama, Shota Kamiya | 2018-10-30 |
| 10056826 | Direct-current power supply device for controlling at frequency being 3N times frequency of three-phase alternating current and refrigeration-cycle applied device including the same | Kazunori Hatakeyama, Keisuke Uemura | 2018-08-21 |
| 10027268 | Motor incorporating power converter, and air conditioner, water heater, and ventilation blower incorporating the motor | Michio Yamada, Hiroki Aso, Hiroyuki Ishii, Junichiro Oya | 2018-07-17 |
| 9960703 | DC power-supply device and refrigeration-cycle application device including the same | Kazunori Hatakeyama, Shota Kamiya | 2018-05-01 |
| 9960702 | Switch device, power conversion device, motor drive device, air blower, compressor, air conditioner, refrigerator, and freezer | Keisuke Uemura, Takuya Shimomugi, Koichi Arisawa, Shigeo Umehara, Shinichiro Ura +1 more | 2018-05-01 |
| 9948203 | Direct-current power supply device and electric motor driving device | Koichi Arisawa, Kazunori Hatakeyama, Takashi Yamakawa | 2018-04-17 |
| 9941810 | Power conversion device for converting AC power into DC power | Koichi Arisawa, Takashi Yamakawa, Yuji Takayama, Takuya Shimomugi | 2018-04-10 |