Keith Johnston
16Patents
7h-index
12Co-inventors
63Inventor score
Filing activity: Jul 3, 1990 → Oct 7, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5050826A | Body support apparatus | Human Necessities | 39 | Expired |
| US8630077B2 | Circuits and methods for limiting open circuit voltage of photovoltaic strings | Emerging Cross-Sectional Technologies | 25 | Active |
| US8809671B2 | Optoelectronic device with bypass diode | Emerging Cross-Sectional Technologies | 24 | Active |
| US8563849B2 | Diode and heat spreader for solar module | Emerging Cross-Sectional Technologies | 22 | Active |
| US9190839B2 | Circuits and methods for limiting open circuit voltage of photovoltaic strings | Emerging Cross-Sectional Technologies | 19 | Active |
| US8426974B2 | Interconnect for an optoelectronic device | Emerging Cross-Sectional Technologies | 18 | Active |
| US8786095B2 | Interconnect for an optoelectronic device | Emerging Cross-Sectional Technologies | 18 | Active |
| US9397611B2 | Photovoltaic systems with local maximum power point tracking prevention and methods for operating same | Emerging Cross-Sectional Technologies | 5 | Active |
| US9923374B2 | Photovoltaic systems with local maximum power point tracking prevention and methods for operating same | Emerging Cross-Sectional Technologies | 2 | Active |
| US11894805B2 | Device for reducing the open circuit voltage of a solar system | Emerging Cross-Sectional Technologies | 1 | Active |
| US9472691B2 | Device for shunting current from photovoltaic circuit near the open circuit voltage and/or disconnecting solar module of a solar system | Emerging Cross-Sectional Technologies | 1 | Active |
| US9710005B2 | Parallel bus | Emerging Cross-Sectional Technologies | 1 | Active |
| US9735729B2 | Circuits and methods for limiting open circuit voltage of photovoltaic strings | Emerging Cross-Sectional Technologies | 0 | Active |
| US9685573B2 | Diode and heat spreader for solar module | Emerging Cross-Sectional Technologies | 0 | Active |
| US9927827B2 | Electrical independence of tracker rows | Emerging Cross-Sectional Technologies | 0 | Active |
| US9537036B2 | Interconnect for an optoelectronic device | Emerging Cross-Sectional Technologies | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.