Inventor · Los Gatos, CA, US

Ru-Ying Tong

188Patents
30h-index
53Co-inventors
93Inventor score

Filing activity: Sep 30, 1999 → Jul 27, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7449345B2 Capping structure for enhancing dR/R of the MTJ device Electricity 133 Expired
US6292336A Giant magnetoresistive (GMR) sensor element with enhanced magnetoresistive (MR) coefficient Physics 96 Expired
US8852760B2 Free layer with high thermal stability for magnetic device applications by insertion of a boron dusting layer Emerging Cross-Sectional Technologies 94 Active
US6466418B1 Bottom spin valves with continuous spacer exchange (or hard) bias Emerging Cross-Sectional Technologies 90 Expired
US7948044B2 Low switching current MTJ element for ultra-high STT-RAM and a method for making the same Emerging Cross-Sectional Technologies 89 Active
US7750421B2 High performance MTJ element for STT-RAM and method for making the same Electricity 88 Active
US8823118B2 Spin torque transfer magnetic tunnel junction fabricated with a composite tunneling barrier layer Electricity 82 Active
US8860156B2 Minimal thickness synthetic antiferromagnetic (SAF) structure with perpendicular magnetic anisotropy for STT-MRAM Electricity 78 Active
US8592927B2 Multilayers having reduced perpendicular demagnetizing field using moment dilution for spintronic applications Electricity 67 Active
US8470462B2 Structure and method for enhancing interfacial perpendicular anisotropy in CoFe(B)/MgO/CoFe(B) magnetic tunnel junctions Emerging Cross-Sectional Technologies 65 Active
US7480173B2 Spin transfer MRAM device with novel magnetic free layer Emerging Cross-Sectional Technologies 57 Active
US7595520B2 Capping layer for a magnetic tunnel junction device to enhance dR/R and a method of making the same Electricity 56 Active
US8138561B2 Structure and method to fabricate high performance MTJ devices for spin-transfer torque (STT)-RAM Electricity 53 Active
US9466789B2 Method of making a high thermal stability reference structure with out-of-plane anisotropy for magnetic device applications Emerging Cross-Sectional Technologies 52 Active
US8749003B2 High performance MTJ element for conventional MRAM and for STT-RAM and a method for making the same Electricity 51 Active
US9490054B2 Seed layer for multilayer magnetic materials Electricity 50 Active
US8080432B2 High performance MTJ element for STT-RAM and method for making the same Electricity 45 Active
US9006704B2 Magnetic element with improved out-of-plane anisotropy for spintronic applications Electricity 45 Active
US7390529B2 Free layer for CPP GMR having iron rich NiFe Emerging Cross-Sectional Technologies 43 Expired
US8541855B2 Co/Ni multilayers with improved out-of-plane anisotropy for magnetic device applications Physics 41 Active
US8184411B2 MTJ incorporating CoFe/Ni multilayer film with perpendicular magnetic anisotropy for MRAM application Emerging Cross-Sectional Technologies 40 Active
US8981505B2 Mg discontinuous insertion layer for improving MTJ shunt Electricity 37 Active
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
US8987849B2 Co/Ni multilayers with improved out-of-plane anisotropy for magnetic device applications Electricity 35 Active

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