Derek J. Day
5Patents
3h-index
11Co-inventors
50Inventor score
Filing activity: Nov 2, 1978 → May 13, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| 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.