Inventor · Alamo, CA, US

Michael S. Urdea

63Patents
34h-index
27Co-inventors
88Inventor score

Filing activity: Dec 23, 1986 → Mar 14, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5124246A Nucleic acid multimers and amplified nucleic acid hybridization assays using same Emerging Cross-Sectional Technologies 646 Expired
US5367066A Oligonucleotides with selectably cleavable and/or abasic sites Chemistry; Metallurgy 516 Expired
US5597909A Polynucleotide reagents containing modified deoxyribose moieties, and associated methods of synthesis and use Chemistry; Metallurgy 429 Expired
US5635352A Solution phase nucleic acid sandwich assays having reduced background noise Emerging Cross-Sectional Technologies 361 Expired
US5118605A Polynucleotide determination with selectable cleavage sites Emerging Cross-Sectional Technologies 328 Expired
US5258506A Photolabile reagents for incorporation into oligonucleotide chains Chemistry; Metallurgy 318 Expired
US5200314A Polynucleotide capture assay employing in vitro amplification Emerging Cross-Sectional Technologies 263 Expired
US5580731A N-4 modified pyrimidine deoxynucleotides and oligonucleotide probes synthesized therewith Emerging Cross-Sectional Technologies 259 Expired
US5545730A Multifunctional nucleic acid monomer Chemistry; Metallurgy 225 Expired
US5656731A Nucleic acid-amplified immunoassay probes Emerging Cross-Sectional Technologies 221 Expired
US5591584A N-4 modified pyrimidine deoxynucleotides and oligonucleotide probes synthesized therewith Emerging Cross-Sectional Technologies 208 Expired
US5552538A Oligonucleotides with cleavable sites Chemistry; Metallurgy 203 Expired
US5578717A Nucleotides for introducing selectably cleavable and/or abasic sites into oligonucleotides Chemistry; Metallurgy 187 Expired
US5681702A Reduction of nonspecific hybridization by using novel base-pairing schemes Chemistry; Metallurgy 169 Expired
US5849481A Nucleic acid hybridization assays employing large comb-type branched polynucleotides Chemistry; Metallurgy 166 Expired
US5093232A Nucleic acid probes Emerging Cross-Sectional Technologies 164 Expired
US4910300A Method for making nucleic acid probes Emerging Cross-Sectional Technologies 161 Expired
US5380833A Polynucleotide reagents containing selectable cleavage sites Emerging Cross-Sectional Technologies 155 Expired
US5624802A Nucleic acid multimers and amplified nucleic acid hybridization assays using same Emerging Cross-Sectional Technologies 131 Expired
US5681697A Solution phase nucleic acid sandwich assays having reduced background noise and kits therefor Emerging Cross-Sectional Technologies 123 Expired
US5710264A Large comb type branched polynucleotides Chemistry; Metallurgy 112 Expired
US5310523A Self-contained assay assembly and apparatus Chemistry; Metallurgy 93 Expired
US6232462A Reduction of nonspecific hybridization by using novel base-pairing schemes Chemistry; Metallurgy 83 Expired
US5430136A Oligonucleotides having selectably cleavable and/or abasic sites Chemistry; Metallurgy 82 Expired
US5714596A NANBV diagnostics: polynucleotides useful for screening for hepatitis C virus Emerging Cross-Sectional Technologies 70 Expired

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