Inventor · disambiguated record
Donald W. Janz
Also filed as: JANZ DONALD W
12 granted patents·264 citations·filing 1986–2001
92Inventor score
Top patents by PatentIndex Score
12 records- 0195US4912576AMethod for writing a servo patternMAGNETIC PERIPHERALS INC·Filed 1988·Granted Mar 27, 1990·79 cites·10 claims
- 0284US4811135ATri-phase servo pattern for providing information for positioning the transducers of a magnetic disk storage driveMAGNETIC PERIPHERALS INC·Filed 1986·Granted Mar 7, 1989·33 cites·11 claims
- 0375US6219193B1Superpositioning microactuator control and write current signals in a disc driveSEAGATE TECHNOLOGY LLC·Filed 1998·Granted Apr 17, 2001·28 cites·15 claims
- 0475US5164863AMethod for writing servo patterns to a disc of a hard disc driveSEAGATE TECHNOLOGY·Filed 1991·Granted Nov 17, 1992·24 cites·2 claims
- 0573US6504669B1Disc drive having charge feedback drive microactuatorSEAGATE TECHNOLOGY LLC·Filed 1999·Granted Jan 7, 2003·24 cites·20 claims
- 0671US5095393ATri-phase servo pattern for providing positioning information in a magnetic disk driveSEAGATE TECHNOLOGY·Filed 1989·Granted Mar 10, 1992·18 cites·11 claims
- 0766US5241430AMethod and apparatus for alternatively reading or writing data to a servo surface of a hard disk driveSEAGATE TECHNOLOGY·Filed 1990·Granted Aug 31, 1993·17 cites·2 claims
- 0857US6125047ARegulated inverting power supplySEAGATE TECHNOLOGY·Filed 1993·Granted Sep 26, 2000·24 cites·4 claims
- 0952US6178055B1Low ripple negative voltage supply for a disc driveSEAGATE TECHNOLOGY LLC·Filed 1998·Granted Jan 23, 2001·10 cites·16 claims
- 1039US4864434AMethod for writing a tri-phase servo pattern which provides information for positioning the transducers of a magnetic storage deviceMAGNETIC PERIPHERALS INC·Filed 1988·Granted Sep 5, 1989·4 cites·4 claims
- 1133US6778347B2Load balancing circuit for a dual polarity power supply with single polarity voltage regulationSEAGATE TECHNOLOGY LLC·Filed 2001·Granted Aug 17, 2004·0 cites·17 claims
- 1232US4760319ACircuit for removing unwanted slope transitions from an incoming signalMAGNETIC PERIPHERALS INC·Filed 1987·Granted Jul 26, 1988·3 cites·21 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →