Inventor · Beijing, CN

Dongqing Cao

19Patents
3h-index
30Co-inventors
56Inventor score

Filing activity: May 16, 2011 → Jan 7, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8478123B2 Imaging devices having arrays of image sensors and lenses with multiple aperture sizes Electricity 14 Active
US8742309B2 Imagers with depth sensing capabilities Electricity 10 Active
US9554115B2 Imaging pixels with depth sensing capabilities Electricity 8 Active
US8878969B2 Imaging systems with color filter barriers Electricity 3 Active
US11254855B2 Surfactant mixtures used during chemical enhanced oil recovery and methods of use thereof Fixed Constructions 3 Active
US9478574B2 Image sensor pixels with light guides and light shield structures Electricity 3 Active
US8690339B2 Complete digital holographic image sensor-projector computing unit having a modulator for receiving a fourier image Physics 2 Active
US10014336B2 Imagers with depth sensing capabilities Electricity 2 Active
US10015471B2 Asymmetric angular response pixels for single sensor stereo Electricity 2 Active
US10158843B2 Imaging pixels with depth sensing capabilities Electricity 2 Active
US10927290B2 Chemical imbibition by gels containing surfactants for fractured carbonate reservoirs Fixed Constructions 1 Active
US9247234B2 Imagers with depth sensing capabilities Electricity 1 Active
US9516302B1 Automated focusing of a camera module in production Electricity 1 Active
US10536406B2 Data transmission method and apparatus, and in-vehicle terminal Electricity 0 Active
US10649157B2 Freeform diffractive optical element (DOE) for use in an optical transmitter and method of designing and manufacturing the freeform DOE Emerging Cross-Sectional Technologies 0 Active
US11906417B2 Restoring core samples Fixed Constructions 0 Active
US11795374B2 Composition and method of making cationic surfactants with two quaternary ammonium head groups Chemistry; Metallurgy 0 Active
US10079256B2 Image sensor pixels with light guides and light shield structures Electricity 0 Active
US11867039B2 Alternating microsphere and smartwater injection for enhanced oil recovery Fixed Constructions 0 Active

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