Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12341412 | Direct-current power supply, refrigeration cycler, air conditioner, and refrigerator | Kazuhiro Yamada, Masaki Muramatsu | 2025-06-24 |
| 12289062 | Power conversion apparatus, motor drive apparatus, and air conditioner | Takeshi Iida | 2025-04-29 |
| 12212262 | Power converting apparatus, motor driving apparatus, blower, compressor, and air conditioner | Kazunori Hatakeyama, Koichi Arisawa | 2025-01-28 |
| 12009734 | Power conversion device and air conditioner | Yusuke YAMAKAJI, Ikuro Suga, Koichi Arisawa, Tatsuya Yamanaka | 2024-06-11 |
| 11990846 | Power conversion apparatus, motor drive apparatus, blower, compressor, and air conditioner | Motoya SUZUKI, Keisuke Uemura, Koichi Arisawa, Kazunori Hatakeyama | 2024-05-21 |
| 11976827 | Outdoor unit and air conditioner | Kenji Iwazaki, Koichi Arisawa, Takuya Shimomugi, Keisuke Mori, Yuya Kondo +1 more | 2024-05-07 |
| 11929676 | Power conversion apparatus, motor drive apparatus, blower, compressor, and air conditioner | Motoya SUZUKI, Kenji Iwazaki, Koichi Arisawa | 2024-03-12 |
| 11909197 | Motor drive device, blower, compressor, and air conditioner | Takuya Shimomugi, Koichi Arisawa, Keisuke Uemura, Kenji Iwazaki | 2024-02-20 |
| 11831230 | Power supply, motor driver, blower, compressor, and air conditioner | Yuya Kondo, Koichi Arisawa, Kenji Iwazaki | 2023-11-28 |
| 11811330 | Converter device, motor drive device and air conditioner | Kenji Iwazaki, Koichi Arisawa, Takuya Shimomugi, Keisuke Uemura | 2023-11-07 |
| 11811332 | Direct-current power supply apparatus, motor drive control apparatus, blower, compressor, and air conditioner | Takuya Shimomugi, Koichi Arisawa, Keisuke Uemura, Kenji Iwazaki | 2023-11-07 |
| 11804787 | Power converting apparatus, motor driving apparatus, and air conditioner | Keisuke Uemura, Takuya Shimomugi, Koichi Arisawa, Kenji Iwazaki | 2023-10-31 |
| 11804786 | Power converting apparatus, motor driving apparatus, and air conditioner | Keisuke Uemura, Takuya Shimomugi, Koichi Arisawa, Kenji Iwazaki | 2023-10-31 |
| 11788738 | Outdoor unit and air conditioner | Takuya Shimomugi, Keisuke Mori, Koichi Arisawa, Keisuke Uemura, Kenji Iwazaki | 2023-10-17 |
| 11767848 | Power conversion apparatus, motor drive apparatus, blower, compressor, and air conditioner | Motoya SUZUKI, Keisuke Uemura, Koichi Arisawa, Kazunori Hatakeyama | 2023-09-26 |
| 11451149 | Power converter | Kenji Iwazaki, Koichi Arisawa, Takashi Yamakawa, Takuya Shimomugi, Ikuro Suga | 2022-09-20 |
| 11391473 | Outdoor unit and air conditioner | Takuya Shimomugi, Keisuke Mori, Koichi Arisawa, Keisuke Uemura, Kenji Iwazaki | 2022-07-19 |
| 11387768 | Direct-current power supply device, motor drive device, blower, compressor, and air conditioner | Takuya Shimomugi, Koichi Arisawa, Keisuke Uemura, Kenji Iwazaki | 2022-07-12 |
| 11070142 | Power conversion device with control of switching element based on current detection | Akito Tanaka, Shunsuke Kubota | 2021-07-20 |
| 10734900 | Converter device, motor drive device, refrigerator, air conditioner, and heat-pump water heater | Akito Tanaka, Tomohiro KUTSUKI, Daisuke Suzuki, Akira Sakai | 2020-08-04 |
| 10693377 | Converter device | Tomohiro KUTSUKI, Akira Sakai, Daisuke Suzuki, Akito Tanaka | 2020-06-23 |
| 9696045 | Air conditioner and control method of air conditioner | — | 2017-07-04 |