YI

Yoshitaka Iwaji

HI Hitachi: 2 patents #622 of 3,771Top 20%
Overall (2004): #33,832 of 270,089Top 15%
2
Patents 2004

Issued Patents 2004

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6771039 Motor control apparatus and method Yoshimi Sakurai, Ryoso Masaki 2004-08-03
6690137 Sensorless control system for synchronous motor Tsunehiro Endo, Kiyoshi Sakamoto, Yuhachi Takakura 2004-02-10