NA

Naoki Ayai

Sumitomo Electric Industries: 5 patents #34 of 508Top 7%
Overall (2017): #27,512 of 506,227Top 6%
5
Patents 2017

Issued Patents 2017

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9831676 Power conversion device and three-phase AC power supply device Toshiaki Okumura 2017-11-28
9800177 Conversion device Takashi Fumino, Yoshiharu Nakajima 2017-10-24
9748865 Power conversion device and three-phase alternating current power supply device 2017-08-29
9722508 Power conversion device and three-phase alternating current power supply device Koichi Takeshita 2017-08-01
9627995 Inverter device with a control unit Kenji Abiru, Toshiaki Okumura 2017-04-18