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Naoki Nakatsugawa

HI Hitachi: 2 patents #436 of 2,733Top 20%
Overall (2011): #77,002 of 364,097Top 25%
2
Patents 2011

Issued Patents 2011

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8045322 Solid insulated bus switchgear Takuya Kurogi, Kenji Tsuchiya, Takumi Ishikawa 2011-10-25
7983023 Earthing equipment for switchgear Kenichi Shoda, Takuya Kurogi, Kenji Tsuchiya, Takumi Ishikawa 2011-07-19