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USPTO Patent Rankings Data through Dec 31, 2025
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Lothar Risch — 55 Patents

Siemens Aktiengesellschaft: 30 patents #118 of 22,248Top 1%
Infineon Technologies Ag: 21 patents #369 of 7,486Top 5%
ILInfineon Technologies Richmond, Lp: 2 patents #11 of 88Top 15%
QAQimonda Ag: 2 patents #167 of 575Top 30%
Ottobrunn, DE: #1 of 341 inventorsTop 1%
Overall (All Time): #45,454 of 4,157,543Top 2%
55 Patents All Time
Lothar Risch has been granted 55 US patents while listed as an inventor at Siemens Aktiengesellschaft. The first was granted in 1982 and the most recent in November 2010. Lothar Risch ranks #45,454 of 4,157,543 US inventors in our database (top 1.1%). Patent records list Lothar Risch in Ottobrunn, DE.

Issued Patents All Time

Showing 1–25 of 55 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7829892 Integrated circuit including a gate electrode Richard Luyken, Franz Hofmann, Dirk Manger, Wolfgang Roesner, Till Schloesser +1 more 2010-11-09
7804708 Integrated circuit including an array of memory cells and method Ulrike Gruening-von Schwerin, Peter Baars, Klaus Muemmler, Stefan Tegen, Thomas Happ 2010-09-28
7368752 DRAM memory cell Richard Luyken, Franz Hofmann, Dirk Manger, Wolfgang Rosner, Till Schlosser +1 more 2008-05-06 $508,000
7180115 DRAM cell structure with tunnel barrier Franz Hofmann, Wolfgang Roesner, Till Schloesser 2007-02-20 $312,000
6909141 Method for producing a vertical semiconductor transistor component and vertical semiconductor transistor component Wolfgang Rosner, Thomas Schulz, Thomas Äugle, Herbert Schafer, Martin Franosch 2005-06-21 $64,000
6864129 Double gate MOSFET transistor and method for the production thereof Wolfgang Rosner, Thomas Schulz 2005-03-08 $71,000
6614069 Nonvolatile semiconductor memory cell and method for fabricating the memory cell Wolfgang Rosner, Thomas Schulz, Ties Ramcke 2003-09-02 $120,000
6600200 MOS transistor, method for fabricating a MOS transistor and method for fabricating two complementary MOS transistors Bernhard Lustig, Herbert Schafer 2003-07-29 $176,000
6553157 Optoelectronic microelectronic system Thomas W. Schultz, Wolfgang Rosner 2003-04-22 $80,000
6518628 Integrated CMOS circuit configuration, and production of same Wolfgang Krautschneider, Franz Hofmann 2003-02-11 $173,000
6503784 Double gated transistor Gerhard Enders, Thomas Schulz, Dietrich Widmann 2003-01-07 $107,000
6490190 Memory cell configuration, magnetic ram, and associative memory Ties Ramcke, Wolfgang Rosner 2002-12-03 $130,000
6472767 Static random access memory (SRAM) Gerhard Enders, Thomas Schulz, Dietrich Widmann 2002-10-29 $106,000
6459123 Double gated transistor Gerhard Enders, Thomas Schulz, Dietrich Widmann 2002-10-01 $41,000
6442042 Circuit configuration having at least one nanoelectronic component and method for fabricating the component Ties Ramcke, Wolfgang Rosner 2002-08-27 $68,000
6420228 Method for the production of a DRAM cell configuration Wolfgang Roesner, Franz Hofmann 2002-07-16 $283,000
6417043 Memory cell configuration and fabrication method Wolfgang Rosner, Ties Ramcke, Hermann Jacobs 2002-07-09 $364,000
6362502 DRAM cell circuit Wolfgang Rosner, Thomas Schulz, Franz Hofmann 2002-03-26 $352,000
6351408 Memory cell configuration Siegfried Schwarzl 2002-02-26 $565,000
6337247 Method of producing a vertical MOS transistor Thomas Schulz, Thomas Äugle, Wolfgang Rosner 2002-01-08 $1,020,000
6320447 Circuit configuration with single-electron components, and operating method Wolfgang Rosner, Ties Ramcke 2001-11-20 $284,000
6307422 Circuit configuration having single-electron components, a method for its operation and use of the method for addition of binary numbers Wolfgang Roesner, Ties Ramcke 2001-10-23 $242,000
6300652 Memory cell configuration and method for its production Franz Hofmann, Rainer Bruchhaus, Wolfram Wersing 2001-10-09 $658,000
6274431 Method for manufacturing an integrated circuit arrangement having at least one MOS transistor Wolfgang Roesner, Thomas Aeugle, Wolfgang Krautschneider 2001-08-14 $136,000
6262448 Memory cell having trench capacitor and vertical, dual-gated transistor Gerhard Enders, Matthias Ilg, Dietrich Widmann 2001-07-17 $516,000