Inventor · Atherton, CA, US

Edwin F. Ullman

199Patents
54h-index
103Co-inventors
93Inventor score

Filing activity: May 9, 1973 → Feb 17, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US3996345A Fluorescence quenching with immunological pairs in immunoassays Emerging Cross-Sectional Technologies 1,117 Expired
US4275149A Macromolecular environment control in specific receptor assays Emerging Cross-Sectional Technologies 815 Expired
US6103537A Capillary assays involving separation of free and bound species Emerging Cross-Sectional Technologies 441 Expired
US4857453A Immunoassay device Emerging Cross-Sectional Technologies 376 Expired
US4391904A Test strip kits in immunoassays and compositions therein Emerging Cross-Sectional Technologies 294 Expired
US5185243A Method for detection of specific nucleic acid sequences Emerging Cross-Sectional Technologies 255 Expired
US4299916A Preferential signal production on a surface in immunoassays Emerging Cross-Sectional Technologies 246 Expired
US4233402A Reagents and method employing channeling Emerging Cross-Sectional Technologies 240 Expired
US4281061A Double antibody for enhanced sensitivity in immunoassay Emerging Cross-Sectional Technologies 219 Expired
US5340716A Assay method utilizing photoactivated chemiluminescent label Physics 205 Expired
US4193983A Labeled liposome particle compositions and immunoassays therewith Emerging Cross-Sectional Technologies 188 Expired
US4740468A Concentrating immunochemical test device and method Emerging Cross-Sectional Technologies 185 Expired
US4981786A Multiple port assay device Emerging Cross-Sectional Technologies 184 Expired
US4318846A Novel ether substituted fluorescein polyamino acid compounds as fluorescers and quenchers Emerging Cross-Sectional Technologies 161 Expired
US5882867A Detection of nucleic acids by formation of template-dependent product Chemistry; Metallurgy 150 Expired
US6632606B1 Methods for single nucleotide polymorphism detection Chemistry; Metallurgy 148 Expired
US6555389B1 Sample evaporative control Physics 137 Expired
US4174384A Fluorescence quenching with immunological pairs in immunoassays Emerging Cross-Sectional Technologies 136 Expired
US5914230A Homogeneous amplification and detection of nucleic acids Chemistry; Metallurgy 134 Expired
US4868104A Homogeneous assay for specific polynucleotides Emerging Cross-Sectional Technologies 133 Expired
US4261968A Fluorescence quenching with immunological pairs in immunoassays Emerging Cross-Sectional Technologies 132 Expired
US4256834A Fluorescent scavenger particle immunoassay Emerging Cross-Sectional Technologies 127 Expired
US6110677A Oligonucleotide modification, signal amplification, and nucleic acid detection by target-catalyzed product formation Chemistry; Metallurgy 122 Expired
US5679512A Method for introducing defined sequences at the 3'end of polynucleotides Chemistry; Metallurgy 120 Expired
US6627406B1 Sample evaporative control Physics 120 Expired

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