Inventor · Edina, MN, US

James M. Daughton

50Patents
22h-index
24Co-inventors
88Inventor score

Filing activity: Sep 29, 1976 → Mar 4, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US6744086B2 Current switched magnetoresistive memory cell Electricity 192 Expired
US6777730B2 Antiparallel magnetoresistive memory cells Electricity 141 Expired
US6713195B2 Magnetic devices using nanocomposite materials Emerging Cross-Sectional Technologies 126 Expired
US4780848A Magnetoresistive memory with multi-layer storage cells having layers of limited thickness Physics 120 Expired
US4731757A Magnetoresistive memory including thin film storage cells having tapered ends Physics 80 Expired
US6429640B1 GMR high current, wide dynamic range sensor Physics 75 Expired
US5617071A Magnetoresistive structure comprising ferromagnetic thin films and intermediate alloy layer having magnetic concentrator and shielding permeable masses Physics 65 Expired
US5251170A Offset magnetoresistive memory structures Electricity 62 Expired
US6300617A Magnetic digital signal coupler having selected/reversal directions of magnetization Electricity 60 Expired
US6404191B2 Read heads in planar monolithic integrated circuit chips Physics 53 Expired
US4751677A Differential arrangement magnetic memory cell Physics 53 Expired
US6462541B1 Uniform sense condition magnetic field sensor using differential magnetoresistance Performing Operations; Transporting 50 Expired
US5424236A Method for forming offset magnetoresistive memory structures Electricity 48 Expired
US6963098B2 Thermally operated switch control memory cell Electricity 47 Expired
US6021065A Spin dependent tunneling memory Electricity 46 Expired
US6538921B2 Circuit selection of magnetic memory cells and related cell structures Physics 45 Expired
US5569544A Magnetoresistive structure comprising ferromagnetic thin films and intermediate layers of less than 30 angstroms formed of alloys having immiscible components Emerging Cross-Sectional Technologies 42 Expired
US5595830A Magnetoresistive structure with alloy layer having two substantially immiscible components Emerging Cross-Sectional Technologies 40 Expired
US4152714A Semiconductor apparatus Electricity 36 Expired
US6535416B1 Magnetic memory coincident thermal pulse data storage Electricity 34 Expired
US6072382A Spin dependent tunneling sensor Physics 27 Expired
US4918655A Magnetic device integrated circuit interconnection system Emerging Cross-Sectional Technologies 23 Expired
US7437309B2 Talent management system and methods for reviewing and qualifying a workforce utilizing categorized and free-form text data Physics 21 Expired
US6872467B2 Magnetic field sensor with augmented magnetoresistive sensing layer Emerging Cross-Sectional Technologies 20 Expired
US4582975A Circuit chip Electricity 19 Expired

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