Inventor · Sunnyvale, CA, US

Duli Mao

158Patents
15h-index
76Co-inventors
85Inventor score

Filing activity: Feb 6, 2008 → Oct 17, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7800192B2 Backside illuminated image sensor having deep light reflective trenches Electricity 92 Active
US7901974B2 Masked laser anneal during fabrication of backside illuminated image sensors Emerging Cross-Sectional Technologies 55 Active
US8183510B2 Image sensor with buried self aligned focusing element Electricity 46 Active
US9881963B1 Horizontal avalanche photodiode Electricity 40 Active
US8405748B2 CMOS image sensor with improved photodiode area allocation Electricity 34 Active
US10141458B2 Vertical gate guard ring for single photon avalanche diode pitch minimization Electricity 33 Active
US8338856B2 Backside illuminated image sensor with stressed film Electricity 31 Active
US7888763B2 Backside illuminated imaging sensor with improved infrared sensitivity Electricity 31 Active
US8530266B1 Image sensor having metal grid with a triangular cross-section Electricity 31 Active
US10153310B2 Stacked-chip backside-illuminated SPAD sensor with high fill-factor Physics 28 Active
US9936153B1 CMOS image sensor with dual floating diffusions per pixel for flicker-free detection of light emitting diodes Electricity 23 Active
US9698185B2 Partial buried channel transfer device for image sensors Electricity 22 Active
US9165959B2 Image sensor with pixel units having mirrored transistor layout Electricity 17 Active
US8497536B2 Dual-facing camera assembly Electricity 17 Active
US8071429B1 Wafer dicing using scribe line etch Electricity 15 Active
US9923009B1 Image sensor with hybrid deep trench isolation Electricity 14 Active
US10334191B1 Pixel array with embedded split pixels for high dynamic range imaging Electricity 14 Active
US8294077B2 Image sensor having supplemental capacitive coupling node Electricity 13 Active
US8933544B2 Integrated circuit stack with integrated electromagnetic interference shielding Electricity 13 Active
US8357984B2 Image sensor with low electrical cross-talk Electricity 13 Active
US9955090B2 High dynamic range image sensor with virtual high-low sensitivity pixels Electricity 13 Active
US10044960B2 Systems and methods for detecting light-emitting diode without flickering Electricity 12 Active
US8345132B2 Image sensor with dual element color filter array and three channel color output Electricity 11 Active
US8278690B2 Laser anneal for image sensors Electricity 11 Active
US8274101B2 CMOS image sensor with heat management structures Electricity 11 Active

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