Robert Fifield
13Patents
5h-index
3Co-inventors
55Inventor score
Filing activity: Jun 23, 1998 → Sep 16, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6504834B1 | Wireless network | Electricity | 60 | Expired |
| US6178512A | Wireless network | Electricity | 38 | Expired |
| US7167454B2 | Radio communication system | Electricity | 20 | Expired |
| US6781951B1 | Radio communication system | Electricity | 12 | Expired |
| US10328960B2 | Express train system | Emerging Cross-Sectional Technologies | 6 | Active |
| US7791515B2 | Adapting filter to detected interference level | Electricity | 3 | Active |
| US6744752B1 | Radio local area network | Emerging Cross-Sectional Technologies | 3 | Expired |
| US8085838B2 | Receiver having an adaptive filter and method of optimising the filter | Electricity | 1 | Expired |
| US9987994B2 | Rooftop bike rack system | Performing Operations; Transporting | 1 | Active |
| US8331507B2 | Multi-channel receiver device | Emerging Cross-Sectional Technologies | 0 | Active |
| US8634507B2 | Receiver having an adaptive filter and method of optimizing the filter | Electricity | 0 | Active |
| US8831154B2 | Radio receiver gain control | Electricity | 0 | Active |
| US8792600B2 | Fractional frequency and sampling-rate change in the frequency domain | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.