Inventor · disambiguated record
Helmut Preisach
Also filed as: PREISACH HELMUT
10 granted patents·120 citations·filing 1991–2021
87Inventor score
Top patents by PatentIndex Score
10 records- 0187US5680060AMethod of and circuit arrangement for terminating a line connected to a CMOS integrated circuitALCATEL NV·Filed 1995·Granted Oct 21, 1997·81 cites·7 claims
- 0272US7502400B2Drive circuit and method of operating a semiconductor laserCIT ALCATEL·Filed 2004·Granted Mar 10, 2009·11 cites·11 claims
- 0358US11949498B2Optical modulatorCISCO TECH INC·Filed 2021·Granted Apr 2, 2024·0 cites·16 claims
- 0456US7835464B2Digital signal receiver with Q-monitorALCATEL LUCENT·Filed 2007·Granted Nov 16, 2010·1 cites·11 claims
- 0556US7650079B2Integrated optical transceiver circuitCIT ALCATEL·Filed 2004·Granted Jan 19, 2010·4 cites·5 claims
- 0650US7440512B2Electrical signal regeneratorCIT ALCATEL·Filed 2004·Granted Oct 21, 2008·2 cites·15 claims
- 0747US7068199B2Digital to analog converter, phase control circuit, transmission unit recognition circuitCIT ALCATEL·Filed 2004·Granted Jun 27, 2006·5 cites·2 claims
- 0843US8305111B2Electrical space switching matrixPREISACH HELMUT·Filed 2004·Granted Nov 6, 2012·1 cites·19 claims
- 0940US7084694B2Switching circuit for switching constant current source using MOS transistorCIT ALCATEL·Filed 2004·Granted Aug 1, 2006·2 cites·18 claims
- 1037US5251238ACircuit arrangement and method for the regeneration and synchronization of a digital signalALCATEL NV·Filed 1991·Granted Oct 5, 1993·13 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →