Patent assignee · CN · UNIVERSITY

Beijing Normal University

25Patents
23Active
25Granted
50Portfolio score

Filing activity: Dec 15, 1989 → Nov 17, 2023

Most-cited patents

PatentTitleAreaCited byStatus
US9957172B2 Method for removing perfluorinated compounds by concentration and separation Chemistry; Metallurgy 8 Active
US11185791B2 Rotary evaporator capable of accurately quantifying concentrated liquid and/or distillate Performing Operations; Transporting 2 Active
US7026118B1 Pharmaceutical composition containing calcineurin B subunit Human Necessities 2 Expired
US4973688A Process for the production of 1-n-dodecylazacycloheptan-2-one Chemistry; Metallurgy 1 Expired
US9090744B2 Process for preparing polysulfone Emerging Cross-Sectional Technologies 0 Active
US11189468B2 Magnetic filter tube Electricity 0 Active
US11020041B2 Individual-characteristic-based transcranial brain atlas generation method, navigation method, and navigation system Physics 0 Active
US11324726B2 Small molecular Stemazole for promoting stem cell clonal formation and applications thereof Chemistry; Metallurgy 0 Active
US11234633B2 Group application oriented transcranial brain atlas generation method, prediction method and prediction apparatus Physics 0 Active
US11993686B2 Surface treatment method of a polymer for 5G Chemistry; Metallurgy 0 Active
US12162904B2 Mannose derivative and application thereof Chemistry; Metallurgy 0 Active
US11504371B2 Quinazolines compound, preparation method therefor and application thereof Chemistry; Metallurgy 0 Active
US11090641B2 CoFe2O4-WTRs composite magnetic catalyst, preparation method and application thereof Chemistry; Metallurgy 0 Active
US11865194B2 Benzene ring-containing glucose derivative and use thereof Human Necessities 0 Active
US11801452B2 Rotary evaporator capable of accurately quantifying distillate Performing Operations; Transporting 0 Active
US11111432B2 Triangular carbon quantum dots and compositions and uses thereof Electricity 0 Active
US11373837B2 Metal ion source emitting device Electricity 0 Active
US11091926B1 Building earthquake resistance structure and earthquake resistance method Fixed Constructions 0 Active
US11777142B2 Gelable system containing ether compounds, preparation method therefor and use thereof Emerging Cross-Sectional Technologies 0 Active
US9583227B2 Optical device for focusing synchrotron radiation light source Physics 0 Active
US11538653B2 Ion beam lithography method based on ion beam lithography system Electricity 0 Active
US12115475B2 Rotary evaporator for accurately and quantitatively recovering multiple solvents or concentrating multiple samples at one time Performing Operations; Transporting 0 Active
US11603443B2 Composite porous membrane and preparation method therefor and use thereof Emerging Cross-Sectional Technologies 0 Active
US11545696B2 Gelable system and uses thereof in lithium-air batteries, organic supercapacitors or capacitor batteries Emerging Cross-Sectional Technologies 0 Active
US11557793B2 Flexible all-solid-state lithium-ion secondary battery having gelable system containing lithium salt and ether compound, and preparation method thereof Emerging Cross-Sectional Technologies 0 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.