Inventor · disambiguated record
Julian Lewkowicz
Also filed as: LEWKOWICZ JULIAN
12 granted patents·412 citations·filing 1976–2001
93Inventor score
Technology areasG11B
Top patents by PatentIndex Score
12 records- 0193US4075671AAutomatic ac biasing of a magnetoresistive elementIBM·Filed 1976·Granted Feb 21, 1978·45 cites·8 claims
- 0292US5216659ALaser power calibration by measuring laser drive current at out of focus and in focus conditionsIBM·Filed 1991·Granted Jun 1, 1993·67 cites·17 claims
- 0390US6678102B1High fly write detection methodMAXTOR CORP·Filed 2000·Granted Jan 13, 2004·28 cites·31 claims
- 0490US5070495AWrite calibration for magnetooptic disk recordersIBM·Filed 1989·Granted Dec 3, 1991·60 cites·17 claims
- 0588US5309461ACompensated laser drive circuitIBM·Filed 1992·Granted May 3, 1994·47 cites·14 claims
- 0685US4191977ABiasing of magnetoresistive read head using gyratorsIBM·Filed 1978·Granted Mar 4, 1980·26 cites·17 claims
- 0783US6975467B1Method and apparatus for high fly write detection in a disk driveMAXTOR CORP·Filed 2001·Granted Dec 13, 2005·18 cites·43 claims
- 0883US5185734ACalibrating and power-protecting laser drive circuitsIBM·Filed 1990·Granted Feb 9, 1993·37 cites·7 claims
- 0983US5101395AData detection employing high-speed baseline tracking compensationIBM·Filed 1990·Granted Mar 31, 1992·37 cites·6 claims
- 1075US6987628B1Method and apparatus for high fly write detection using stored amplitude valuesMAXTOR CORP·Filed 2001·Granted Jan 17, 2006·11 cites·24 claims
- 1170US4731773AThermally-induced recording with reduced harmonic distortionIBM·Filed 1986·Granted Mar 15, 1988·17 cites·11 claims
- 1269US4998233AAcquiring focus in optical systems using a focus error signal and a laser drive signalIBM·Filed 1988·Granted Mar 5, 1991·19 cites·20 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →