Randolph John Pilc
4Patents
4h-index
8Co-inventors
47Inventor score
Filing activity: Mar 14, 1975 → Jan 24, 1997
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5623539A | Using voice signal analysis to identify authorized users of a telephone system | Electricity | 195 | Expired |
| US5510777A | Method for secure access control | Electricity | 189 | Expired |
| US6035017A | Background speech recognition for voice messaging applications | Electricity | 39 | Expired |
| US3959599A | Call initiation delay arrangement for digital data switching system | Electricity | 5 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.