Inventor · Kennewick, WA, US

Robert G. Ewing

6Patents
3h-index
16Co-inventors
50Inventor score

Filing activity: Mar 30, 2011 → Apr 28, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US8362445B2 UV-LED ionization source and process for low energy photoemission ionization Electricity 8 Active
US8943910B2 Enhanced surface sampler and process for collection and release of analytes Performing Operations; Transporting 6 Active
US9123520B2 Method for selective detection of explosives in mass spectrometer or ion mobility spectrometer at parts-per-quadrillion level Electricity 3 Active
US10670561B2 Device and system for selective ionization and analyte detection and method of using the same Physics 1 Active
US10119937B2 Method for detecting organophosphorus compounds and illicit drugs Physics 1 Active
US11043370B2 Device and system for selective ionization and analyte detection and method of using the same Electricity 0 Active

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