Inventor · Knoxville, TN, US

Michael L. Simpson

32Patents
14h-index
30Co-inventors
77Inventor score

Filing activity: Feb 5, 1997 → Nov 28, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US6673596B1 In vivo biosensor apparatus and method of use Emerging Cross-Sectional Technologies 487 Expired
US6399951B1 Simultaneous CT and SPECT tomography using CZT detectors Human Necessities 92 Expired
US7408186B2 Controlled alignment catalytically grown nanostructures Emerging Cross-Sectional Technologies 88 Expired
US6117643A Bioluminescent bioreporter integrated circuit Emerging Cross-Sectional Technologies 71 Expired
US5892231A Virtual mask digital electron beam lithography Electricity 30 Expired
US6982519B2 Individually electrically addressable vertically aligned carbon nanofibers on insulating substrates Emerging Cross-Sectional Technologies 29 Expired
US6905834B1 Bioluminescent bioreporter integrated circuit detection methods Emerging Cross-Sectional Technologies 29 Expired
US6858455B2 Gated fabrication of nanostructure field emission cathode material within a device Electricity 29 Expired
US6498349B1 Electrostatically focused addressable field emission array chips (AFEA's) for high-speed massively parallel maskless digital E-beam direct write lithography and scanning electron microscopy Electricity 28 Expired
US7641863B2 Nanoengineered membranes for controlled transport Emerging Cross-Sectional Technologies 26 Expired
US8993327B2 Parallel macromolecular delivery and biochemical/electrochemical interface to cells employing nanostructures Emerging Cross-Sectional Technologies 22 Active
US7371538B2 Microluminometer chip and method to measure bioluminescence Emerging Cross-Sectional Technologies 19 Active
US6692324B2 Single self-aligned carbon containing tips Emerging Cross-Sectional Technologies 15 Expired
US6649431B2 Carbon tips with expanded bases grown with simultaneous application of carbon source and etchant gases Emerging Cross-Sectional Technologies 14 Expired
US5965873A Integrated CMOS spectrometers Electricity 12 Expired
US7090992B2 Bioluminescent bioreporter integrated circuit devices and methods for detecting estrogen Emerging Cross-Sectional Technologies 9 Expired
US7208286B2 Bioluminescent bioreporter integrated circuit devices and methods for detecting ammonia Emerging Cross-Sectional Technologies 7 Expired
US6958572B2 Controlled non-normal alignment of catalytically grown nanostructures in a large-scale synthesis process Emerging Cross-Sectional Technologies 7 Expired
US7144287B2 Individually electrically addressable carbon nanofibers on insulating substrates Emerging Cross-Sectional Technologies 6 Expired
US7109515B2 Carbon containing tips with cylindrically symmetrical carbon containing expanded bases Emerging Cross-Sectional Technologies 6 Expired
US7229692B2 Nanoconduits and nanoreplicants Emerging Cross-Sectional Technologies 6 Expired
US7151256B2 Vertically aligned nanostructure scanning probe microscope tips Physics 5 Expired
US7020560B2 Methods for cell-based combinatorial logic Physics 4 Expired
US6917043B2 Individually addressable cathodes with integrated focusing stack or detectors Electricity 3 Expired
US7245068B2 Apparatus for controlled alignment of catalytically grown nanostructures Emerging Cross-Sectional Technologies 3 Expired

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