YA

Yoriyuki Aiko

HI Hitachi: 2 patents #899 of 4,225Top 25%
Overall (2003): #35,666 of 273,478Top 15%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6560091 Gas insulated switchgear Masahiro Takahoshi, Keiichi Tsuzura, Ryoichi Shinohara, Rei Henmi, Shunji Ito 2003-05-06
6556428 Gas insulated switchgear Masahiro Takahoshi, Keiichi Tsuzura, Ryoichi Shinohara, Rei Henmi, Shunji Ito 2003-04-29