Inventor · disambiguated record
Hans-Heinrich Viehmann
Also filed as: VIEHMANN HANS · VIEHMANN HANS-HEINRICH
27 granted patents·2 pending applications·779 citations·filing 1993–2007
97Inventor score
Top patents by PatentIndex Score
29 records- 0198US7433253B2Integrated circuit, method of operating an integrated circuit, method of manufacturing an integrated circuit, memory module, stackable memory moduleQIMONDA AG·Filed 2007·Granted Oct 7, 2008·131 cites·35 claims
- 0294US6819142B2Circuit for transforming a differential mode signal into a single ended signal with reduced standby current consumptionINFINEON TECHNOLOGIES AG·Filed 2003·Granted Nov 16, 2004·63 cites·33 claims
- 0394US6498747B1Magnetoresistive random access memory (MRAM) cross-point array with reduced parasitic effectsINFINEON TECHNOLOGIES AG·Filed 2002·Granted Dec 24, 2002·82 cites·22 claims
- 0492US7239537B2Method and apparatus for current sense amplifier calibration in MRAM devicesIBM·Filed 2005·Granted Jul 3, 2007·29 cites·12 claims
- 0592US7161861B2Sense amplifier bitline boost circuitINFINEON TECHNOLOGIES AG·Filed 2004·Granted Jan 9, 2007·69 cites·16 claims
- 0689US6266274B1Semiconductor memory with non-volatile two-transistor memory cellsINFINEON TECHNOLOGIES AG·Filed 2000·Granted Jul 24, 2001·53 cites·8 claims
- 0787US7251178B2Current sense amplifierINFINEON TECHNOLOGIES AG·Filed 2004·Granted Jul 31, 2007·46 cites·28 claims
- 0886US6584006B2MRAM bit line word line architectureINFINEON TECHNOLOGIES CORP·Filed 2001·Granted Jun 24, 2003·41 cites·20 claims
- 0981US6801471B2Fuse concept and method of operationINFINEON TECHNOLOGIES AG·Filed 2002·Granted Oct 5, 2004·30 cites·31 claims
- 1079US6825707B2Current mode logic (CML) circuit concept for a variable delay elementINFINEON TECHNOLOGIES AG·Filed 2003·Granted Nov 30, 2004·21 cites·22 claims
- 1178US6847225B2CML (current mode logic) OCD (off chip driver)—ODT (on die termination) circuit for bidirectional data transmissionINFINEON TECHNOLOGIES AG·Filed 2003·Granted Jan 25, 2005·26 cites·29 claims
- 1276US6026002ACircuit configuration for supplying an electronic load circuitSIEMENS AG·Filed 1998·Granted Feb 15, 2000·49 cites·15 claims
- 1373US6847568B2Sense amplifier configuration for a semiconductor memory deviceINFINEON TECHNOLOGIES AG·Filed 2003·Granted Jan 25, 2005·20 cites·46 claims
- 1473US6052306AMethod and device for automatic determination of the required high voltage for programming/erasing an EEPROMSIEMENS AG·Filed 1996·Granted Apr 18, 2000·33 cites·5 claims
- 1568US6813181B1Circuit configuration for a current switch of a bit/word line of a MRAM deviceINFINEON TECHNOLOGIES AG·Filed 2003·Granted Nov 2, 2004·15 cites·27 claims
- 1666US5537875AUltrasonic method for the inspection of spat welds between metal platesFiled 1993·Granted Jul 23, 1996·30 cites·13 claims
- 1760US6479871B2Electrostatic discharge (ESD) latch-up protective circuit for an integrated circuitINFINEON TECHNOLOGIES AG·Filed 2001·Granted Nov 12, 2002·10 cites·6 claims
- 1856US6510079B2MRAM configurationINFINEON TECHNOLOGIES AG·Filed 2001·Granted Jan 21, 2003·9 cites·7 claims
- 1954US6937058B2Methods and apparatus for active termination of high-frequency signalsINFINEON TECHNOLOGIES AG·Filed 2003·Granted Aug 30, 2005·2 cites·31 claims
- 2053US6586919B2Voltage-current converterINFINEON TECHNOLOGIES AG·Filed 2002·Granted Jul 1, 2003·8 cites·4 claims
- 2151US7019554B2Methods and apparatus for active termination of high-frequency signalsINFINEON TECHNOLOGIES AG·Filed 2003·Granted Mar 28, 2006·1 cites·24 claims
- 2248US6930915B2Cross-point MRAM array with reduced voltage drop across MTJ'sIBM·Filed 2003·Granted Aug 16, 2005·5 cites·51 claims
- 2347US7573328B2Power amplifierINFINEON TECHNOLOGIES AG·Filed 2007·Granted Aug 11, 2009·1 cites·24 claims
- 2445US7057924B2Precharging the write path of an MRAM device for fast write operationIBM·Filed 2004·Granted Jun 6, 2006·4 cites·16 claims
- 2539US6853229B2Circuit for transforming a single ended signal into a differential mode signalINFINEON TECHNOLOGIES AG·Filed 2003·Granted Feb 8, 2005·1 cites·17 claims
- 2634US2006239056A1Generation of MRAM programming currents using external capacitorsGOGL DIETMAR·Filed 2005·Application pending·0 cites
- 2733US6888744B2Selection device for a semiconductor memory deviceINFINEON TECHNOLOGIES AG·Filed 2003·Granted May 3, 2005·0 cites·19 claims
- 2833US2008080232A1Active write current adjustment for magneto-resistive random access memorySTURM ANDRE·Filed 2006·Application pending·0 cites
- 2932US6590821B2Memory deviceINFINEON TECHNOLOGIES AG·Filed 2002·Granted Jul 8, 2003·0 cites·6 claims
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