SY

Seiichi Yazima

WR West Japan Railway: 1 patents #9 of 24Top 40%
Overall (All Time): #3,755,244 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5566799 Low aerodynamic noise type current collection equipment Hideto Hidaka, Kengo Iwamoyto, Yasuhiro Noguchi, Motohiro Miyamura, Inao Sakai 1996-10-22