Inventor · Hitachi, JP

Etsuo Ohe

3Patents
2h-index
7Co-inventors
30Inventor score

Filing activity: May 20, 1981 → Mar 9, 1983

Most-cited inventions

PatentTitleAreaCited byStatus
US4402211A System for monitoring abnormality of oil-filled electric devices Electricity 29 Expired
US4470832A Gas chromatographic apparatus Physics 12 Expired
US4436654A Fire-retardant insulating oils Chemistry; Metallurgy 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.