Inventor · Mammoth Lakes, CA, US

Michael B. Simmonds

29Patents
22h-index
12Co-inventors
82Inventor score

Filing activity: Jun 17, 1980 → Apr 4, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US6437563B1 Method and apparatus for making measurements of accumulations of magnetically susceptible particles combined with analytes Emerging Cross-Sectional Technologies 146 Expired
US6518747B2 Method and apparatus for quantitative determination of accumulations of magnetic particles Physics 137 Expired
US6046585A Method and apparatus for making quantitative measurements of localized accumulations of target particles having magnetic particles bound thereto Physics 130 Expired
US4403189A Superconducting quantum interference device having thin film Josephson junctions Emerging Cross-Sectional Technologies 117 Expired
US4848093A Apparatus and method for regulating temperature in a cryogenic test chamber Mechanical Engineering; Lighting; Heating 115 Expired
US4389612A Apparatus for reducing low frequency noise in dc biased SQUIDS Emerging Cross-Sectional Technologies 114 Expired
US6275031A Method and apparatus for making quantitative measurements of localized accumulations of magnetic particles Physics 109 Expired
US6597176B2 Method and apparatus for making measurements of patterns of magnetic particles in lateral flow membranes and microfluidic systems Emerging Cross-Sectional Technologies 108 Expired
US5343147A Method and apparatus for using stochastic excitation and a superconducting quantum interference device (SAUID) to perform wideband frequency response measurements Emerging Cross-Sectional Technologies 105 Expired
US8746008B1 Low vibration cryocooled system for low temperature microscopy and spectroscopy applications Emerging Cross-Sectional Technologies 103 Active
US5110034A Superconducting bonds for thin film devices Emerging Cross-Sectional Technologies 101 Expired
US5053834A High symmetry dc SQUID system Emerging Cross-Sectional Technologies 98 Expired
US6927570B2 Method and apparatus for making measurements of accumulations of magnetically susceptible particles combined with analytes Emerging Cross-Sectional Technologies 97 Expired
US6483303B2 Computer program for making measurements of accumulations of magnetic particles Emerging Cross-Sectional Technologies 96 Expired
US4386361A Thin film SQUID with low inductance Emerging Cross-Sectional Technologies 94 Expired
US5315324A High precision charge imaging cartridge Emerging Cross-Sectional Technologies 93 Expired
US5798641A Torque magnetometer utilizing integrated piezoresistive levers Physics 90 Expired
US5139192A Superconducting bonds for thin film devices Emerging Cross-Sectional Technologies 89 Expired
US4791788A Method for obtaining improved temperature regulation when using liquid helium cooling Mechanical Engineering; Lighting; Heating 86 Expired
US8384504B2 Superconducting quick switch Electricity 86 Active
US7884593B2 Differential and symmetrical current source Electricity 83 Active
US8134434B2 Superconducting quick switch Electricity 83 Active
US5319307A Geometrically and electrically balanaced dc SQUID system having a pair of intersecting slits Emerging Cross-Sectional Technologies 17 Expired
US9303914B2 Low vibration cryocooled system for low temperature microscopy and spectroscopy applications Emerging Cross-Sectional Technologies 8 Active
US9821421B2 Low vibration cryocooled system for low temperature microscopy and spectroscopy applications Emerging Cross-Sectional Technologies 8 Active

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