John Francis
15Patents
7h-index
11Co-inventors
63Inventor score
Filing activity: Dec 27, 1976 → Aug 9, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4065722A | Demodulation method and circuit for discretely modulated ac signals | Electricity | 40 | Expired |
| US6034554A | Phase detector for high speed clock recovery from random binary signals | Electricity | 28 | Expired |
| US5756214A | Release film comprising polycarbonate-silicone-urethane resin | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5541556A | Clock recovery circuit for serial digital video | Electricity | 10 | Expired |
| US5935903A | Receiver sheet for thermal dye transfer printing | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5169653A | Label transfer mechanism for blow molding machinery | Performing Operations; Transporting | 8 | Expired |
| US5357220A | Emitter-coupled oscillator with differential switching control | Electricity | 7 | Expired |
| US5082824A | Receiver sheet | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5658847A | Receiver sheet | Emerging Cross-Sectional Technologies | 6 | Expired |
| US5093309A | Receiver sheet | Emerging Cross-Sectional Technologies | 5 | Expired |
| US5139996A | Receiver sheet | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5270282A | Receiver sheet | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5059579A | Receiver sheet | Emerging Cross-Sectional Technologies | 2 | Expired |
| US12028025B2 | Variable gain amplifier with temperature compensated gain | Electricity | 0 | Active |
| US5212414A | Switch with frequency compensation, differential bias operation compensation and enable indicator | Electricity | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.