TO

Takashi Ohira

Sumitomo Electric Industries: 2 patents #135 of 508Top 30%
Overall (2017): #100,993 of 506,227Top 20%
2
Patents 2017

Issued Patents 2017

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9712069 Distributed-constant type transformer for voltage conversion Hideaki Nakahata, Nobuo Shiga, Kenichi Hirotsu, Kyohei Yamada 2017-07-18
9685885 Power conversion apparatus with an inverted-voltage generation circuit Kazuhiro Fujikawa, Minoru Mizutani 2017-06-20