Inventor · disambiguated record
Hidehiko Numasato
Also filed as: NUMASATO HIDEHIKO
15 granted patents·1 pending application·165 citations·filing 1996–2023
92Inventor score
Top patents by PatentIndex Score
16 records- 0195US10930310B1Data storage device sorting access commands based on peak current for multiple actuatorsWESTERN DIGITAL TECH INC·Filed 2020·Granted Feb 23, 2021·8 cites·20 claims
- 0295US10839839B1Data storage device managing peak current for multiple actuatorsWESTERN DIGITAL TECH INC·Filed 2020·Granted Nov 17, 2020·9 cites·20 claims
- 0392US6407876B1Magnetic disk apparatus having an accelerometer for detecting acceleration in the positioning direction of the magnetic headHITACHI LTD·Filed 2001·Granted Jun 18, 2002·37 cites·8 claims
- 0490US10410657B1Data storage device employing nominal and adaptive multi-actuator decouplerWESTERN DIGITAL TECH INC·Filed 2019·Granted Sep 10, 2019·9 cites·11 claims
- 0587US6898039B2Positioning control device for two-stage actuatorHITACHI LTD·Filed 2003·Granted May 24, 2005·22 cites·9 claims
- 0686US7173790B2Magnetic disk apparatus with dual stage actuatorHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Feb 6, 2007·8 cites·18 claims
- 0779US11817122B1Data storage device with notch filter calibration based on multi-rate excitation and error rejectionWESTERN DIGITAL TECH INC·Filed 2022·Granted Nov 14, 2023·1 cites·20 claims
- 0878US6888696B2Magnetic disk apparatus and servo signal recording methodHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted May 3, 2005·13 cites·2 claims
- 0977US6707633B2Magnetic disk device including coarse and micro actuatorsHITACHI LTD·Filed 2001·Granted Mar 16, 2004·12 cites·6 claims
- 1069US6961205B2Magnetic disk apparatusHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Nov 1, 2005·7 cites·10 claims
- 1167US5986845AApparatus for positioning magnetic head and method of the sameHITACHI LTD·Filed 1997·Granted Nov 16, 1999·20 cites·19 claims
- 1266US6335845B1Magnetic disk apparatus having an accelerometer for detecting acceleration in the positioning direction of the magnetic headHITACHI LTD·Filed 1996·Granted Jan 1, 2002·19 cites·8 claims
- 1363US12271631B1Data storage device sorting access commands based on performance and off-track mitigation optimizationWESTERN DIGITAL TECH INC·Filed 2023·Granted Apr 8, 2025·0 cites·20 claims
- 1452US12223982B1Head velocity derating for data storage devices including disk mediaWESTERN DIGITAL TECH INC·Filed 2023·Granted Feb 11, 2025·0 cites·20 claims
- 1550US11915731B1Data storage device with notch filter calibration based on multi-rate excitation and error rejectionWESTERN DIGITAL TECH INC·Filed 2022·Granted Feb 27, 2024·0 cites·18 claims
- 1631US2011013319A1Disk drive with micro-actuator interconnect conditioningSOGA EIJI·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →