Issued Patents 2018
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9991817 | Power converting device that uses a sine-wave-shaped current control range to output drive signal | Takuya Shimomugi, Koichi Arisawa, Takashi Yamakawa | 2018-06-05 |
| 9941780 | Power conversion device with correction of reactor inductance based on detected current | Takashi Yamakawa, Koichi Arisawa, Shigeo Umehara, Tomomi Higashikawa, Makoto Tanikawa | 2018-04-10 |
| 9941810 | Power conversion device for converting AC power into DC power | Koichi Arisawa, Takashi Yamakawa, Takuya Shimomugi, Yosuke Shinomoto | 2018-04-10 |
| 9929637 | Power converting device | Koichi Arisawa, Takashi Yamakawa, Shigeo Umehara, Tomomi Higashikawa, Makoto Tanikawa | 2018-03-27 |
| 9866140 | AC/DC power converting apparatus with AC source shortcircuiting for power factor correction and harmonic suppression | Takashi Yamakawa, Koichi Arisawa, Shigeo Umehara, Tomomi Higashikawa, Makoto Tanikawa | 2018-01-09 |