Inventor · Jiaocheng District, CN

Na Liu

84Patents
2h-index
194Co-inventors
59Inventor score

Filing activity: May 24, 2007 → Sep 11, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US8878448B2 Circuit and method for driving LED lamp with a dimmer Emerging Cross-Sectional Technologies 2 Active
US8923021B2 Control circuit and system for switch mode power supply Electricity 2 Active
US11942636B2 Positive electrode material, preparation method and uses thereof Emerging Cross-Sectional Technologies 1 Active
US9340492B2 Meta-Diarylaniline or meta-diarylpyridinamine compound, preparation method and medical uses thereof Chemistry; Metallurgy 1 Active
US11949093B2 Positive active material, positive electrode plate, electrochemical energy storage apparatus, and apparatus Emerging Cross-Sectional Technologies 1 Active
US9431895B2 High power-factor control circuit and power supply Emerging Cross-Sectional Technologies 1 Active
US10462868B2 Circuit and method for driving LED lamp with a dimmer Emerging Cross-Sectional Technologies 1 Active
US11949099B2 Electrode active material and preparation method thereof, electrode, battery, and apparatus Emerging Cross-Sectional Technologies 1 Active
US8964415B2 Circuits and methods for increasing power factor of switch mode power supply Emerging Cross-Sectional Technologies 1 Active
US12230836B2 Organic-inorganic hybrid complex and coating composition comprising same, separator, secondary battery, battery module, battery pack and power consuming device Emerging Cross-Sectional Technologies 1 Active
US9850444B2 Unsaturated polyol esters used in hydraulic fluid applications Chemistry; Metallurgy 1 Active
US10784508B2 Preparation method of modified positive electrode active material Emerging Cross-Sectional Technologies 1 Active
US11967706B2 Composite metal oxide material and preparation method thereof, positive electrode plate, secondary battery, battery module, battery pack and electrical device Emerging Cross-Sectional Technologies 1 Active
US7524235B2 Method of eliminating surface stress of silicon wafer Electricity 1 Active
US11308603B2 Detection and monitoring of waste disposal in an environmental location using artificial intelligence Physics 1 Active
US10306636B2 Method and device for carrier aggregation configuration based on multi-band capability Electricity 1 Active
US10164249B2 Positive active material for secondary lithium battery, method for preparing the same and secondary lithium battery containing the positive active material Emerging Cross-Sectional Technologies 1 Active
US11721804B2 Carbon-coated lithium iron phosphate positive active material, method for preparing same, positive electrode plate containing same, and lithium-ion battery Emerging Cross-Sectional Technologies 0 Active
US11675978B2 Entity recognition based on multi-task learning and self-consistent verification Physics 0 Active
US10805733B2 Loudspeaker-purpose vibrating cone and loudspeaker Electricity 0 Active
US12300816B2 Positive electrode active material, positive electrode plate, lithium-ion secondary battery, and apparatus Emerging Cross-Sectional Technologies 0 Active
US12300851B2 Separator, preparation method therefor and related secondary battery, battery module, battery pack and device Emerging Cross-Sectional Technologies 0 Active
US10251074B2 Dynamic access point grouping method and device Electricity 0 Active
US8912134B2 Method of cleaning copper material surfaces in ultra large scale integrated circuits after polishing the same Chemistry; Metallurgy 0 Active
US12394864B2 Separator, electrical apparatus containing such separator, and preparation method thereof Emerging Cross-Sectional Technologies 0 Active

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