Inventor · Neubiberg, DE

Lothar Risch

55Patents
20h-index
48Co-inventors
88Inventor score

Filing activity: Jul 22, 1980 → Jul 30, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US6600200B1 MOS transistor, method for fabricating a MOS transistor and method for fabricating two complementary MOS transistors Electricity 124 Expired
US6459123B1 Double gated transistor Electricity 96 Expired
US5710072A Method of producing and arrangement containing self-amplifying dynamic MOS transistor memory cells Electricity 87 Expired
US4823180A Photo-transistor in MOS thin-film technology and method for production and operation thereof Electricity 78 Expired
US6229169A Memory cell configuration, method for fabricating it and methods for operating it Electricity 74 Expired
US5973373A Read-only-memory cell arrangement using vertical MOS transistors and gate dielectrics of different thicknesses and method for its production Electricity 72 Expired
US5959328A Electrically programmable memory cell arrangement and method for its manufacture Electricity 61 Expired
US4331709A Process of reducing density of fast surface states in MOS devices Emerging Cross-Sectional Technologies 50 Expired
US5443992A Method for manufacturing an integrated circuit having at least one MOS transistor Electricity 45 Expired
US5817552A Process of making a dram cell arrangement Electricity 40 Expired
US5998261A Method of producing a read-only storage cell arrangement Electricity 33 Expired
US6351408B1 Memory cell configuration Electricity 32 Expired
US6490190B1 Memory cell configuration, magnetic ram, and associative memory Physics 24 Expired
US7368752B2 DRAM memory cell Electricity 23 Expired
US5327374A Arrangement with self-amplifying dynamic MOS transistor storage cells Electricity 23 Expired
US5828076A Microelectronic component and process for its production Electricity 22 Expired
US5736761A DRAM cell arrangement and method for its manufacture Electricity 21 Expired
US6262448A Memory cell having trench capacitor and vertical, dual-gated transistor Electricity 20 Expired
US5920778A Read-only memory cell arrangement and method for its production Electricity 20 Expired
US6614069B2 Nonvolatile semiconductor memory cell and method for fabricating the memory cell Electricity 20 Expired
US6362502B1 DRAM cell circuit Electricity 19 Expired
US6255684A DRAM cell configuration and method for its production Electricity 17 Expired
US6300652A Memory cell configuration and method for its production Electricity 12 Expired
US5844834A Single-electron memory cell configuration Emerging Cross-Sectional Technologies 12 Expired
US5559353A Integrated circuit structure having at least one CMOS-NAND gate and method for the manufacture thereof Electricity 11 Expired

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