YK

Yuuko Kajiyama

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,153,846 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8411418 Vacuum insulated switchgear Shuichi Kikukawa, Kenji Tsuchiya, Daisuke Sugai 2013-04-02