SF

Sigeru Fujiya

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #4,011,263 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4503481 Gas insulated switchgear equipment Tohru Tsubaki, Naoki Amano, Kyuzi Yaginuma, Hitoshi Kayaba, Yoriyuki Aiko +1 more 1985-03-05