Inventor · Riemerling, DE

Josef Willer

112Patents
21h-index
78Co-inventors
93Inventor score

Filing activity: Mar 18, 1987 → Jan 9, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
US6180979A Memory cell arrangement with vertical MOS transistors and the production process thereof Electricity 510 Expired
US5994746A Memory cell configuration and method for its fabrication Electricity 181 Expired
US7341904B2 Capacitorless 1-transistor DRAM cell and fabrication method Emerging Cross-Sectional Technologies 92 Active
US6583632B2 Method of determining very small capacitances Physics 84 Expired
US6777725B2 NROM memory circuit with recessed bitline Electricity 79 Expired
US7772580B2 Integrated circuit having a cell with a resistivity changing layer Physics 58 Active
US5494832A Method for manufacturing a solar cell from a substrate wafer Emerging Cross-Sectional Technologies 57 Expired
US6734063B2 Non-volatile memory cell and fabrication method Electricity 55 Expired
US6191459A Electrically programmable memory cell array, using charge carrier traps and insulation trenches Electricity 53 Expired
US6686242B2 Method for producing metallic bit lines for memory cell arrays, method for producing memory cell arrays and memory cell array Electricity 48 Expired
US6118159A Electrically programmable memory cell configuration Electricity 48 Expired
US6794249B2 Method for fabricating a memory cell Electricity 40 Expired
US6548861B2 Memory cell, memory cell arrangement and fabrication method Electricity 34 Expired
US7790516B2 Method of manufacturing at least one semiconductor component and memory cells Electricity 31 Active
US6674132B2 Memory cell and production method Electricity 29 Expired
US6972226B2 Charge-trapping memory cell array and method for production Electricity 29 Expired
US5306647A Method for manufacturing a solar cell from a substrate wafer Emerging Cross-Sectional Technologies 28 Expired
US6673677B2 Method for manufacturing a multi-bit memory cell Emerging Cross-Sectional Technologies 27 Expired
US7365382B2 Semiconductor memory having charge trapping memory cells and fabrication method thereof Electricity 27 Expired
US4774206A Method for the manufacture of a self-aligned metal contact Emerging Cross-Sectional Technologies 26 Expired
US4889827A Method for the manufacture of a MESFET comprising self aligned gate Emerging Cross-Sectional Technologies 25 Expired
US7087950B2 Flash memory cell, flash memory device and manufacturing method thereof Electricity 21 Expired
US7119395B2 Memory cell with nanocrystals or nanodots Electricity 21 Expired
US6316315A Method for fabricating a memory cell having a MOS transistor Electricity 20 Expired
US6040995A Method of operating a storage cell arrangement Electricity 19 Expired

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