Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10050576 | Inverter control device and air conditioner | Takahiro Hirata, Tomomi Higashikawa, Akiyoshi Muramatsu | 2018-08-14 |
| 9960702 | Switch device, power conversion device, motor drive device, air blower, compressor, air conditioner, refrigerator, and freezer | Keisuke Uemura, Takuya Shimomugi, Koichi Arisawa, Yosuke Shinomoto, Shigeo Umehara +1 more | 2018-05-01 |
| 9941780 | Power conversion device with correction of reactor inductance based on detected current | Yuji Takayama, Takashi Yamakawa, Koichi Arisawa, Shigeo Umehara, Tomomi Higashikawa | 2018-04-10 |
| 9929637 | Power converting device | Koichi Arisawa, Takashi Yamakawa, Yuji Takayama, Shigeo Umehara, Tomomi Higashikawa | 2018-03-27 |
| 9866140 | AC/DC power converting apparatus with AC source shortcircuiting for power factor correction and harmonic suppression | Takashi Yamakawa, Koichi Arisawa, Yuji Takayama, Shigeo Umehara, Tomomi Higashikawa | 2018-01-09 |
| 9780717 | Power conversion device, motor driving device including power conversion device, blower and compressor including motor driving device, and air conditioner, refrigerator, and freezer including blower and compressor | Keisuke Uemura, Takuya Shimomugi, Koichi Arisawa, Yosuke Shinomoto, Shigeo Umehara +1 more | 2017-10-03 |
| 9647604 | Power conversion device, motor drive device including power conversion device, air blower and compressor including motor drive device, and air conditioner, refrigerator, and freezer including air blower and compressor | Koichi Arisawa, Keisuke Uemura, Takuya Shimomugi, Yosuke Shinomoto, Shigeo Umehara +1 more | 2017-05-09 |
| 9641121 | Power conversion device and motor drive device including power conversion device | Takuya Shimomugi, Keisuke Uemura, Koichi Arisawa, Yosuke Shinomoto, Shigeo Umehara +1 more | 2017-05-02 |
| 9531301 | Power conversion device and motor driving device | Keisuke Uemura, Takuya Shimomugi, Koichi Arisawa, Yosuke Shinomoto, Shigeo Umehara +1 more | 2016-12-27 |
| 9136757 | Power converter and refrigerating and air-conditioning apparatus | Koichi Arisawa, Takuya Shimomugi, Yosuke Shinomoto, Masato Handa, Mitsuo Kashima +5 more | 2015-09-15 |
| 8823303 | Alternating-current direct-current converter and electric motor driver | Yosuke Shinomoto, Takuya Shimomugi, Mitsuo Kashima | 2014-09-02 |
| 8508165 | AC-DC converter, method of controlling the same, motor driver, compressor driver, air-conditioner, and heat pump type water heater | Yosuke Shinomoto, Hideki Takahara, Masato Handa, Mitsuo Kashima | 2013-08-13 |
| 6687139 | Inverter control apparatus | Takahiro Ishigami, Yoshihiko Kikkawa, Hitoshi Tanifuji, Yoshihiro Iwasaki, Hiroaki Suzuki +2 more | 2004-02-03 |
| 5946192 | Power transistor module packaging structure | Takahiro Ishigami, Hitoshi Tanifuji, Yoshihiko Kikkawa, Yoshihiro Iwasaki, Hiroaki Suzuki +2 more | 1999-08-31 |