Inventor · Vancouver, WA, US

Tingkai Li

97Patents
22h-index
43Co-inventors
88Inventor score

Filing activity: Jun 6, 1990 → May 18, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6849891B1 RRAM memory cell electrodes Physics 174 Expired
US7968419B2 Back-to-back metal/semiconductor/metal (MSM) Schottky diode Electricity 109 Active
US7029924B2 Buffered-layer memory cell Physics 94 Expired
US7598108B2 Gallium nitride-on-silicon interface using multiple aluminum compound buffer layers Electricity 77 Active
US5527567A Metalorganic chemical vapor deposition of layered structure oxides Electricity 68 Expired
US7407858B2 Resistance random access memory devices and method of fabrication Electricity 61 Active
US6048740A Ferroelectric nonvolatile transistor and method of making same Electricity 58 Expired
US6457479B1 Method of metal oxide thin film cleaning Emerging Cross-Sectional Technologies 57 Expired
US7378286B2 Semiconductive metal oxide thin film ferroelectric memory transistor Electricity 52 Expired
US7060586B2 PCMO thin film with resistance random access memory (RRAM) characteristics Physics 52 Expired
US7633108B2 Metal/semiconductor/metal current limiter Electricity 46 Active
US7446010B2 Metal/semiconductor/metal (MSM) back-to-back Schottky diode Electricity 43 Active
US6531324B2 MFOS memory transistor & method of fabricating same Electricity 36 Expired
US7271081B2 Metal/ZnOx/metal current limiter Electricity 32 Expired
US6080241A Chemical vapor deposition chamber having an adjustable flow flange Chemistry; Metallurgy 32 Expired
US6281022A Multi-phase lead germanate film deposition method Electricity 30 Expired
US5102836A Ceramic materials with low thermal conductivity and low coefficients of thermal expansion Chemistry; Metallurgy 27 Expired
US7338907B2 Selective etching processes of silicon nitride and indium oxide thin films for FeRAM device applications Electricity 27 Expired
US6939724B2 Method for obtaining reversible resistance switches on a PCMO thin film when integrated with a highly crystallized seed layer Physics 26 Expired
US7256429B2 Memory cell with buffered-layer Physics 25 Expired
US7303971B2 MSM binary switch memory device Electricity 23 Expired
US7608514B2 MSM binary switch memory Electricity 22 Active
US6534326B1 Method of minimizing leakage current and improving breakdown voltage of polycrystalline memory thin films Physics 20 Expired
US6190925A Epitaxially grown lead germanate film and deposition method Emerging Cross-Sectional Technologies 15 Expired
US6303502A MOCVD metal oxide for one transistor memory Electricity 12 Expired

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