Inventor · disambiguated record
Gregory Michael Frees
Also filed as: FREES GREGORY · FREES GREGORY M · FREES GREGORY MICHAEL
16 granted patents·409 citations·filing 1994–2021
94Inventor score
Top patents by PatentIndex Score
16 records- 0195US6188191B1Servo system responsive to temperature changesIBM·Filed 1999·Granted Feb 13, 2001·103 cites·21 claims
- 0289US11276431B1Data storage device executing just-in-time refreshWESTERN DIGITAL TECH INC·Filed 2021·Granted Mar 15, 2022·3 cites·20 claims
- 0388US5598306ADamping post for reducing acoustic noise in a disk driveIBM·Filed 1994·Granted Jan 28, 1997·43 cites·17 claims
- 0484US6429995B1Position error signal calibration using measured burstsIBM·Filed 1999·Granted Aug 6, 2002·47 cites·51 claims
- 0584US6178059B1Method for writing servo information on a magnetic recording diskIBM·Filed 1998·Granted Jan 23, 2001·44 cites·3 claims
- 0684US5905608ADynamically tuned outer arms for improved rotary actuator performanceIBM·Filed 1997·Granted May 18, 1999·42 cites·44 claims
- 0780US5625511AStepped spindle motor shaft to reduce disk drive acoustic noiseIBM·Filed 1995·Granted Apr 29, 1997·38 cites·28 claims
- 0879US6577463B1Tangential misalignment precompensation in a direct access storage deviceIBM·Filed 2000·Granted Jun 10, 2003·13 cites·30 claims
- 0978US6522493B1Position error signal linearization using an auxiliary discontinuity removal routineIBM·Filed 1999·Granted Feb 18, 2003·34 cites·30 claims
- 1073US7411760B2System and method for correcting for head tilt in HDDHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Aug 12, 2008·2 cites·17 claims
- 1167US6122125AHead selectable servo notch filter and method for improving servo system performanceIBM·Filed 1997·Granted Sep 19, 2000·19 cites·18 claims
- 1244US7133235B2System and method for correcting for head tilt in HDDHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Nov 7, 2006·0 cites·17 claims
- 1344US6567231B1Vibration mode compensation for disk driveIBM·Filed 1999·Granted May 20, 2003·6 cites·14 claims
- 1443US7251100B1Mounting interface for a spindle motorHITACHI GLOBAL STORAGE TECH·Filed 1998·Granted Jul 31, 2007·11 cites·21 claims
- 1543US7009795B2System and method for correcting for head tilt in HDDHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Mar 7, 2006·0 cites·17 claims
- 1637US6327115B1Disk drive apparatus, attachment structure, and attachment methodIBM·Filed 1995·Granted Dec 4, 2001·4 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →