KT

Keiichi Tsuzura

HI Hitachi: 8 patents #5,191 of 28,497Top 20%
Overall (All Time): #663,486 of 4,157,543Top 20%
8
Patents All Time

Issued Patents All Time

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
6560091 Gas insulated switchgear Masahiro Takahoshi, Ryoichi Shinohara, Rei Henmi, Yoriyuki Aiko, Shunji Ito 2003-05-06
6556428 Gas insulated switchgear Masahiro Takahoshi, Ryoichi Shinohara, Rei Henmi, Yoriyuki Aiko, Shunji Ito 2003-04-29
6515247 Gas insulated switchgear Kazuhiko Takahashi, Junzo Kida, Minoru Yabuki 2003-02-04
6399911 Gas insulated switchgear apparatus Kazuhiko Takahashi, Junzo Kida, Minoru Yabuki, Yasuhito Watanabe 2002-06-04
6337452 Gas insulated switchgear with flange-spacer assembly Kazuhiko Takahashi, Junzo Kida, Minoru Yabuki 2002-01-08
6278073 Gas insulated switching apparatus Kazuhiko Takahashi, Junzo Kida, Minoru Yabuki, Yasuhito Watanabe 2001-08-21
6219225 Gas insulated switch gear and method for assembling therefor Kazuhiko Takahashi, Junzo Kida, Minoru Yabuki 2001-04-17
6188034 Gas insulated switchgear with flange-spacer assembly Kazuhiko Takahashi, Junzo Kida, Minoru Yabuki 2001-02-13