YA

Yoichiro Arakawa

HC Hitachi Industrial Equipment Systems Co.: 1 patents #5 of 71Top 8%
Overall (2011): #124,344 of 364,097Top 35%
1
Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7902790 Induction motor drive unit, motor drive system, and elevating system Koichiro Nagata, Hiroyuki Tomita 2011-03-08