CF

Chikara Fujisawa

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #3,531,850 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6664493 Gas-insulated switchgear Hitoshi Yamada, Mamoru Okabe, Toshihisa Miyamoto, Isamu Ozawa 2003-12-16