TT

Tohru Tsubaki

HI Hitachi: 5 patents #7,555 of 28,497Top 30%
Overall (All Time): #1,059,639 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5084600 Gas-blast load-break switch Takahide Seki, Syunji Itou, Haruo Honda 1992-01-28
4933802 Gas insulated switchgear system having single phase reserve bus Mitsuga Haginoya, Shigeru Fujiya, Haruo Honda 1990-06-12
4890193 Gas-insulated switchgear equipment 1989-12-26
4658329 Gas-insulated switchgear apparatus Yukio Kamura, Seizo Nakano, Satoshi Miwada, Naoki Amano 1987-04-14
4503481 Gas insulated switchgear equipment Sigeru Fujiya, Naoki Amano, Kyuzi Yaginuma, Hitoshi Kayaba, Yoriyuki Aiko +1 more 1985-03-05