John D. Grainger
5Patents
2h-index
2Co-inventors
30Inventor score
Filing activity: Jun 7, 2011 → Jun 6, 2013
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8283877B2 | Thermal protection circuit for an LED bulb | Emerging Cross-Sectional Technologies | 4 | Active |
| US8188671B2 | Power factor control for an LED bulb driver circuit | Electricity | 4 | Active |
| US8754594B2 | Thermal protection circuit for an LED bulb | Emerging Cross-Sectional Technologies | 2 | Active |
| US8461767B2 | Power factor control for an LED bulb driver circuit | Electricity | 0 | Active |
| US9049761B2 | Power factor control for an LED bulb driver circuit | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.