Inventor · Watertown, MA, US

John W. Graff

41Patents
11h-index
54Co-inventors
78Inventor score

Filing activity: Nov 26, 2003 → Mar 11, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7341880B2 Light emitting device processes Electricity 47 Expired
US7105861B2 Electronic device contact structures Electricity 43 Expired
US7074631B2 Light emitting device methods Emerging Cross-Sectional Technologies 41 Expired
US7083993B2 Methods of making multi-layer light emitting devices Electricity 40 Expired
US7274043B2 Light emitting diode systems Electricity 36 Expired
US8378290B1 Sensor calibration systems and methods for infrared cameras Physics 34 Active
US8049163B1 Calibration systems and methods for infrared cameras Electricity 33 Active
US7344903B2 Light emitting device processes Electricity 21 Expired
US10795168B2 Transmissive metasurface lens integration Electricity 18 Active
US7598531B2 Electronic device contact structures Electricity 16 Active
US7450311B2 Optical display systems and methods Emerging Cross-Sectional Technologies 11 Expired
US11579456B2 Transmissive metasurface lens integration Electricity 8 Active
US11978752B2 Aperture-metasurface and hybrid refractive-metasurface imaging systems Electricity 5 Active
USD624029S1 LED package General 5 Expired
US7482640B2 Electronic device contact structures Electricity 4 Active
US9524849B2 Method of improving ion beam quality in an implant system Electricity 4 Active
US8217415B2 Electronic device contact structures Electricity 4 Active
US7521273B2 Light emitting device methods Electricity 4 Active
US7799585B2 Light emitting device methods Electricity 3 Active
US8251520B2 Optical display systems and methods Emerging Cross-Sectional Technologies 3 Active
USD603352S1 LED package General 3 Expired
US7535645B2 Optical display systems and methods Emerging Cross-Sectional Technologies 3 Active
USD623608S1 LED package General 3 Expired
US8658458B2 Patterned doping for polysilicon emitter solar cells Emerging Cross-Sectional Technologies 3 Active
USD576968S1 LED package General 3 Expired

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