YS

Yoetsu Shiina

HC Hitachi Industrial Equipment Systems Co.: 3 patents #164 of 550Top 30%
Overall (All Time): #1,490,357 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9601255 Amorphous core transformer Keisuke Kubota, Toshiki Shirahata, Junji Ono 2017-03-21
9230729 Transformer, amorphous transformer and method of manufacturing the transformer Keisuke Kubota, Toshiki Shirahata, Jyunnji Ono, Takaaki Hasegawa 2016-01-05
9000877 Transformer, amorphous transformer and method of manufacturing the transformer Keisuke Kubota, Toshiki Shirahata, Jyunnji Ono, Takaaki Hasegawa 2015-04-07