EO

Etsuo Ohe

HI Hitachi: 3 patents #10,712 of 28,497Top 40%
Overall (All Time): #1,681,299 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4470832 Gas chromatographic apparatus Katuo Sugawara, Ictitaro Tani, Hideo Tsukioka, Etsunori Mori 1984-09-11
4436654 Fire-retardant insulating oils Katsuo Sugawara, Ititaro Tani, Hideo Tsukioka 1984-03-13
4402211 System for monitoring abnormality of oil-filled electric devices Katuo Sugawara, Ichitaro Tani, Hideo Tsukioka 1983-09-06