Inventor · Fremont, CA, US

Yuan-Jen Lee

47Patents
7h-index
30Co-inventors
65Inventor score

Filing activity: Jun 23, 2005 → May 19, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7515458B2 Structure and access method for magnetic memory cell and circuit of magnetic memory Physics 39 Active
US9425387B1 Magnetic element with perpendicular magnetic anisotropy for high coercivity after high temperature annealing Electricity 35 Active
US10014465B1 Maintaining coercive field after high temperature anneal for magnetic device applications with perpendicular magnetic anisotropy Electricity 14 Active
US9805816B2 Implementation of a one time programmable memory using a MRAM stack design Electricity 13 Active
US7577019B2 Magnetic memory cell with multiple-bit in stacked structure and magnetic memory device Emerging Cross-Sectional Technologies 12 Active
US9780299B2 Multilayer structure for reducing film roughness in magnetic devices Electricity 10 Active
US10102896B2 Adaptive reference scheme for magnetic memory applications Physics 8 Active
US10522752B1 Magnetic layer for magnetic random access memory (MRAM) by moment enhancement Electricity 6 Active
US7539049B2 Magnetic random access memory and operation method Emerging Cross-Sectional Technologies 4 Active
US9747965B2 Adaptive reference scheme for magnetic memory applications Physics 4 Active
US10522744B2 High thermal stability by doping of oxide capping layer for spin torque transfer (STT) magnetic random access memory (MRAM) applications Electricity 4 Active
US10957851B2 Magnetic layer for magnetic random access memory (MRAM) by moment enhancement Electricity 4 Active
US9343132B2 MRAM write pulses to dissipate intermediate state domains Physics 4 Active
US7463510B2 High-bandwidth magnetoresistive random access memory devices Physics 4 Active
US10522747B2 Fully compensated synthetic ferromagnet for spintronics applications Electricity 3 Active
US9842988B2 Magnetic tunnel junction with low defect rate after high temperature anneal for magnetic device applications Electricity 3 Active
US10763428B2 Magnetic tunnel junction with low defect rate after high temperature anneal for magnetic device applications Electricity 3 Active
US10658577B2 Maintaining coercive field after high temperature anneal for magnetic device applications with perpendicular magnetic anisotropy Electricity 3 Active
US10115892B2 Multilayer structure for reducing film roughness in magnetic devices Electricity 2 Active
US7420837B2 Method for switching magnetic moment in magnetoresistive random access memory with low current Physics 2 Expired
US10699765B2 Methods and circuits for programming STT-MRAM cells for reducing back-hopping Physics 1 Active
US10784310B2 Cooling for PMA (perpendicular magnetic anisotropy) enhancement of STT-MRAM (spin torque transfer-magnetic random access memory) devices Electricity 1 Active
US7577017B2 High-bandwidth magnetoresistive random access memory devices and methods of operation thereof Physics 1 Active
US10509074B2 Electrical testing apparatus for spintronics devices Electricity 1 Active
US10230044B2 Fully compensated synthetic ferromagnet for spintronics applications Electricity 1 Active

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