DW

Dai Watanabe

HI Hitachi: 1 patents #1,316 of 3,771Top 35%
Overall (2004): #235,871 of 270,089Top 90%
1
Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6732023 Train control method and apparatus Yoichi Sugita, Yasushi Yokosuka, Kiyoshi Chiba 2004-05-04