Inventor · Cambridge, MA, US

Robert I. Frank

16Patents
10h-index
3Co-inventors
57Inventor score

Filing activity: May 26, 1976 → Nov 17, 1980

Most-cited inventions

PatentTitleAreaCited byStatus
US4129848A Platinum film resistor device Electricity 85 Expired
US4086485A Solar-radiation collection apparatus with tracking circuitry Emerging Cross-Sectional Technologies 60 Expired
US4110122A High-intensity, solid-state-solar cell device Emerging Cross-Sectional Technologies 41 Expired
US4352948A High-intensity solid-state solar-cell device Emerging Cross-Sectional Technologies 28 Expired
US4283589A High-intensity, solid-state solar cell Emerging Cross-Sectional Technologies 22 Expired
US4131984A Method of making a high-intensity solid-state solar cell Emerging Cross-Sectional Technologies 20 Expired
US4242580A Solar-radiation collection apparatus Emerging Cross-Sectional Technologies 19 Expired
US4042417A Photovoltaic system including a lens structure Emerging Cross-Sectional Technologies 19 Expired
US4128732A Solar cell Emerging Cross-Sectional Technologies 13 Expired
US4193081A Means for effecting cooling within elements for a solar cell array Emerging Cross-Sectional Technologies 10 Expired
US4162174A Solar cell array Emerging Cross-Sectional Technologies 6 Expired
US4129458A Solar-cell array Emerging Cross-Sectional Technologies 5 Expired
US4179318A Method of making a solar-cell array Emerging Cross-Sectional Technologies 4 Expired
USRE30384E Solar cell General 1 Expired
USRE30383E High-intensity, solid-state-solar cell device General 0 Expired
USRE30336E Solar-cell array General 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.