Inventor · Malvern, GB

Derek J. Day

5Patents
3h-index
11Co-inventors
50Inventor score

Filing activity: Nov 2, 1978 → May 13, 1996

Most-cited inventions

PatentTitleAreaCited byStatus
US4231052A Apparatus for parallel-in to serial-out conversion Electricity 32 Expired
US5012301A Three terminal semiconductor device Performing Operations; Transporting 16 Expired
US5594252A Three terminal ion chambers Electricity 5 Expired
US4950924A High speed noise immune bipolar logic family Electricity 1 Expired
US5631470A Liquid ion chamber electrode apparatus Physics 1 Expired

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