Inventor · 东风镇, CN

Qingfeng Liu

25Patents
2h-index
55Co-inventors
56Inventor score

Filing activity: Oct 29, 2010 → Jan 21, 2025

Most-cited inventions

PatentTitleAreaCited byStatus
US10929665B2 System and method for providing dominant scene classification by semantic segmentation Electricity 4 Active
US10355601B2 Switched-mode power supplies having burst mode operation for reduced power consumption Emerging Cross-Sectional Technologies 3 Active
US10339428B2 Intelligent scoring method and system for text objective question Physics 2 Active
US9991799B2 Switch mode power supplies including primary side clamping circuits controlled based on secondary side signals Emerging Cross-Sectional Technologies 2 Active
US10212824B2 Gold-plating etching process for 5G communication high-frequency signal boards Electricity 1 Active
US10949701B2 Method, apparatus and storage medium for recognizing character Physics 1 Active
US11461998B2 System and method for boundary aware semantic segmentation Physics 1 Active
US10224499B2 Biomolecule-carbon nanostructure nanocomposites for optoelectronic devices Emerging Cross-Sectional Technologies 1 Active
US12410271B1 CO2 chemical reaction viscosity-increasing type polymer surfactant for gas channeling control during CO2 flooding in offshore heavy oil reservoirs, preparation method therefor and use thereof Chemistry; Metallurgy 0 Active
US12347161B2 System and method for dual-value attention and instance boundary aware regression in computer vision system Physics 0 Active
US12051237B2 Multi-expert adversarial regularization for robust and data-efficient deep supervised learning Physics 0 Active
US9330667B2 Method and system for endpoint automatic detection of audio record Physics 0 Active
US10340787B2 Power factor correction stage control during start-up for efficient use of a negative temperature coefficient thermistor Emerging Cross-Sectional Technologies 0 Active
US11908960B2 Plasmonic metal/graphene heterostructures and related methods Performing Operations; Transporting 0 Active
US11847826B2 System and method for providing dominant scene classification by semantic segmentation Electricity 0 Active
US12054387B1 Electrostatically driven comb structure of MEMS, micro-mirror using same and preparation method therefor Performing Operations; Transporting 0 Active
US11657150B2 Two-dimensionality detection method for industrial control system attacks Emerging Cross-Sectional Technologies 0 Active
US12308028B2 Speech recognition method, apparatus and device, and storage medium Physics 0 Active
US12242964B2 Method and apparatus for data efficient semantic segmentation Physics 0 Active
US11687780B2 Method and apparatus for data efficient semantic segmentation Physics 0 Active
US10813226B2 Process for improving performance of sliding rheostat of 5G communication high-frequency signal board Electricity 0 Active
US9564127B2 Speech recognition method and system based on user personalized information Physics 0 Active
US11532154B2 System and method for providing dominant scene classification by semantic segmentation Electricity 0 Active
US11316483B2 Input voltage endurance protection architecture Electricity 0 Active
US11951575B2 Automatic welding system and method for large structural parts based on hybrid robots and 3D vision Physics 0 Active

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