Inventor · Elmont, NY, US

David Zhang

35Patents
11h-index
45Co-inventors
75Inventor score

Filing activity: Aug 23, 1994 → Feb 5, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5942391A Nucleic acid amplification method: ramification-extension amplification method (RAM) Emerging Cross-Sectional Technologies 261 Expired
US5876924A Nucleic acid amplification method hybridization signal amplification method (HSAM) Chemistry; Metallurgy 170 Expired
US11104936B2 Competitive compositions of nucleic acid molecules for enrichment of rare-allele-bearing species Chemistry; Metallurgy 56 Active
US6569647B1 Nucleic acid amplification method: ramification-extension amplification method (RAM) Emerging Cross-Sectional Technologies 56 Expired
US9284602B2 Compositions of toehold primer duplexes and methods of use Chemistry; Metallurgy 19 Active
US5556769A Coupled replication-translation methods and kits for protein synthesis Chemistry; Metallurgy 19 Expired
US6593086B2 Nucleic acid amplification methods Emerging Cross-Sectional Technologies 18 Expired
USRE38442E1 Nucleic acid amplification method hybridization signal amplification method (HSAM) General 17 Expired
US6855523B2 Nucleic acid amplification method: ramification-extension amplification method (RAM) Emerging Cross-Sectional Technologies 13 Expired
US7745594B2 Nucleic acid-based logic circuits Emerging Cross-Sectional Technologies 13 Active
US10036059B2 Compositions of toehold primer duplexes and methods of use Chemistry; Metallurgy 13 Active
US7538202B2 Enzyme-free isothermal exponential amplification of nucleic acids and nucleic acid analog signals Chemistry; Metallurgy 10 Expired
US8651514B2 Airbag tear seam tape Emerging Cross-Sectional Technologies 8 Active
USD559721S1 Safety light cover General 5 Expired
US8110353B2 Engineered toehold reactions and networks Emerging Cross-Sectional Technologies 4 Active
US9796748B2 Spatial sequestration of dynamic nucleic acid circuits Emerging Cross-Sectional Technologies 3 Active
US8815507B2 Method and materials for the cooperative hybridization of oligonucleotides Chemistry; Metallurgy 2 Active
US10745746B2 Specific nucleic acid amplification with compounded selectivity Chemistry; Metallurgy 2 Active
US9617392B2 Compositions and methods for self-assembly of polymers with complementary macroscopic and microscopic scale units Electricity 1 Active
US11448950B2 Combination wheel for light conversion including both phosphor segments and color filters Physics 1 Active
US7361489B2 Nucleic acid amplification methods Chemistry; Metallurgy 1 Expired
US10900079B2 Fine-tuned ultraspecific nucleic acid hybridization probes Chemistry; Metallurgy 1 Active
US11475979B2 Method, apparatus, and computer-readable medium for predicting a hybridization rate constant of a first sequence Physics 0 Active
US11505819B2 Molecular hybridization probes for complex sequence capture and analysis Chemistry; Metallurgy 0 Active
US12331350B2 Systems and methods for allele enrichment using multiplexed blocker displacement amplification Chemistry; Metallurgy 0 Active

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