Harry E. Watkins
10Patents
9h-index
19Co-inventors
65Inventor score
Filing activity: Aug 28, 1987 → Feb 10, 2005
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4859991A | Electronic article surveillance system employing time domain and/or frequency domain analysis and computerized operation | Physics | 53 | Expired |
| US5103234A | Electronic article surveillance system | Physics | 44 | Expired |
| US7304574B2 | Alarm investigation using RFID | Physics | 37 | Expired |
| US5327118A | EAS system with alternating on/off transmitter operation and loop antenna | Physics | 32 | Expired |
| US5049857A | Multi-mode electronic article surveillance system | Physics | 28 | Expired |
| US7161482B2 | Integrated electronic article surveillance and people counting system | Physics | 20 | Expired |
| US5189397A | Method and apparatus for determining the magnitude of a field in the presence of an interfering field in an EAS system | Physics | 16 | Expired |
| US5737241A | User management interface for EAS system | Physics | 9 | Expired |
| US4975681A | Interfering signal rejection circuitry and electronic article surveillance system and method employing same | Physics | 9 | Expired |
| US5404147A | EAS system loop antenna having three loops of different area | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.