Issued Patents 2018
Showing 1–5 of 5 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 |