MS

Masahumi Sato

ER East Japan Railway: 1 patents #9 of 63Top 15%
NA Nabtesco: 1 patents #159 of 320Top 50%
Overall (All Time): #2,872,695 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9873140 Foreign material removing device of track turnout portion Shogo Kigami, Yuki Kinugasa 2018-01-23