Patent assignee · US · COMPANY

Applied Spintronics, Inc.

31Patents
11Active
31Granted
40Portfolio score

Filing activity: Apr 1, 2004 → Dec 14, 2007 · 11 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US7449345B2 Capping structure for enhancing dR/R of the MTJ device Electricity 133 Expired
US7045368B2 MRAM cell structure and method of fabrication Electricity 117 Expired
US7476919B2 MRAM cell structure and method of fabrication Electricity 98 Active
US7241632B2 MTJ read head with sidewall spacers Electricity 56 Expired
US6979586B2 Magnetic random access memory array with coupled soft adjacent magnetic layer Physics 45 Expired
US6960480B1 Method of forming a magnetic tunneling junction (MTJ) MRAM device and a tunneling magnetoresistive (TMR) read head Electricity 36 Expired
US6974708B2 Oxidation structure/method to fabricate a high-performance magnetic tunneling junction MRAM Electricity 35 Expired
US7067330B2 Magnetic random access memory array with thin conduction electrical read and write lines Physics 33 Expired
US7211874B2 Magnetic random access memory array with free layer locking mechanism Physics 30 Expired
US7335961B2 Magnetic random access memory array with coupled soft adjacent magnetic layer Physics 24 Expired
US7499314B2 Reference cell scheme for MRAM Physics 15 Active
US7211447B2 Structure and method to fabricate high performance MTJ devices for MRAM applications Electricity 14 Expired
US7208807B2 Structure and method to fabricate high performance MTJ devices for MRAM applications Electricity 14 Expired
US7071009B2 MRAM arrays with reduced bit line resistance and method to make the same Electricity 12 Expired
US7122852B2 Structure/method to fabricate a high performance magnetic tunneling junction MRAM Emerging Cross-Sectional Technologies 12 Expired
US7480172B2 Programming scheme for segmented word line MRAM array Physics 11 Active
US7321507B2 Reference cell scheme for MRAM Physics 10 Active
US7238979B2 Buffer (seed) layer in a high-performance magnetic tunneling junction MRAM Electricity 10 Expired
US7045841B2 Oxidation structure/method to fabricate a high-performance magnetic tunneling junction MRAM Electricity 9 Expired
US7369376B2 Amorphous layers in a magnetic tunnel junction device Physics 8 Active
US7085183B2 Adaptive algorithm for MRAM manufacturing Physics 8 Expired
US7362644B2 Configurable MRAM and method of configuration Physics 8 Expired
US7132707B2 Magnetic random access memory array with proximate read and write lines cladded with magnetic material Physics 7 Expired
US7544983B2 MTJ read head with sidewall spacers Electricity 6 Active
US7217577B2 Structure/method to fabricate a high-performance magnetic tunneling junction MRAM Emerging Cross-Sectional Technologies 5 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.