Lee Josephson
41Patents
26h-index
24Co-inventors
85Inventor score
Filing activity: Nov 5, 1979 → Nov 8, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4554088A | Magnetic particles for use in separations | Emerging Cross-Sectional Technologies | 328 | Expired |
| US4672040A | Magnetic particles for use in separations | Physics | 244 | Expired |
| US4628037A | Binding assays employing magnetic particles | Emerging Cross-Sectional Technologies | 150 | Expired |
| US5262176A | Synthesis of polysaccharide covered superparamagnetic oxide colloids | Emerging Cross-Sectional Technologies | 141 | Expired |
| US6083486A | Intramolecularly-quenched near infrared fluorescent probes | Human Necessities | 140 | Expired |
| US4770183A | Biologically degradable superparamagnetic particles for use as nuclear magnetic resonance imaging agents | Chemistry; Metallurgy | 135 | Expired |
| US4698302A | Enzymatic reactions using magnetic particles | Physics | 126 | Expired |
| US4695393A | Magnetic particles for use in separations | Emerging Cross-Sectional Technologies | 125 | Expired |
| US6592847B1 | Intramolecularly-quenched near infrared flourescent probes | Human Necessities | 105 | Expired |
| US4827945A | Biologically degradable superparamagnetic materials for use in clinical applications | Chemistry; Metallurgy | 95 | Expired |
| US4695392A | Magnetic particles for use in separations | Emerging Cross-Sectional Technologies | 92 | Expired |
| US5164297A | Solvent mediated relaxation assay system | Emerging Cross-Sectional Technologies | 85 | Expired |
| US5254460A | Solvent mediated relaxation assay system | Emerging Cross-Sectional Technologies | 76 | Expired |
| US5055288A | Vascular magnetic imaging method and agent comprising biodegradeable superparamagnetic metal oxides | Emerging Cross-Sectional Technologies | 63 | Expired |
| US7829350B2 | Magnetic-nanoparticle conjugates and methods of use | Emerging Cross-Sectional Technologies | 56 | Active |
| US5314679A | Vascular magnetic resonance imaging agent comprising nanoparticles | Emerging Cross-Sectional Technologies | 54 | Expired |
| US5554386A | Delivery of therapeutic agents to receptors using polysaccharides | Chemistry; Metallurgy | 48 | Expired |
| US5069216A | Silanized biodegradable super paramagnetic metal oxides as contrast agents for imaging the gastrointestinal tract | Chemistry; Metallurgy | 45 | Expired |
| US5336506A | Targeting of therapeutic agents using polysaccharides | Chemistry; Metallurgy | 42 | Expired |
| US5141739A | Delivery of x-ray contrast agents using receptor mediated endocytosis | Chemistry; Metallurgy | 34 | Expired |
| US5981507A | Polymeric carriers linked to nucleotide analogues via a phosphoramide bond | Human Necessities | 33 | Expired |
| US4951675A | Biodegradable superparamagnetic metal oxides as contrast agents for MR imaging | Emerging Cross-Sectional Technologies | 32 | Expired |
| US5160726A | Filter sterilization for production of colloidal, superparamagnetic MR contrast agents | Emerging Cross-Sectional Technologies | 31 | Expired |
| US8486373B2 | Intramolecularly-quenched near infrared fluorescent probes | Human Necessities | 26 | Active |
| US5679323A | Hepatocyte-specific receptor-mediated endocytosis-type compositions | Emerging Cross-Sectional Technologies | 26 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.