YS

Yukio Sagawa

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,113,129 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8766877 Communication system in trains Nao Saito, Setsuo Arita, Satoru Ito, Kazunori Ayabe 2014-07-01