Inventor · disambiguated record
Takuji Matsuzawa
Also filed as: MATSUZAWA TAKUJI
19 granted patents·1 pending application·41 citations·filing 2008–2024
91Inventor score
Technology areasG11B
Top patents by PatentIndex Score
20 records- 0189US8896959B1Magnetic disk apparatus and data recording methodTOSHIBA KK·Filed 2014·Granted Nov 25, 2014·11 cites·18 claims
- 0286US11514937B1Magnetic disk device and method of reducing microactuator voltageTOSHIBA KK·Filed 2022·Granted Nov 29, 2022·2 cites·7 claims
- 0386US8363350B2Magnetic disk drive having microactuatorTOSHIBA KK·Filed 2011·Granted Jan 29, 2013·9 cites·10 claims
- 0481US11094341B1Magnetic disk deviceTOSHIBA KK·Filed 2020·Granted Aug 17, 2021·2 cites·3 claims
- 0577US8717703B2Magnetic disk drive having dual-stage actuator and head position estimation method for the sameMATSUZAWA TAKUJI·Filed 2012·Granted May 6, 2014·5 cites·14 claims
- 0671US10930311B2Dual state actuators controlling for magnetic recording deviceTOSHIBA KK·Filed 2020·Granted Feb 23, 2021·1 cites·7 claims
- 0770US10497385B1Magnetic disk device and method for suppressing disturbance component having harmonicTOSHIBA KK·Filed 2019·Granted Dec 3, 2019·2 cites·20 claims
- 0870US8902540B2Disk storage apparatus and method for servo controllingTOSHIBA KK·Filed 2013·Granted Dec 2, 2014·2 cites·14 claims
- 0968US8934190B2Piezoelectric device drive method, piezoelectric device drive apparatus, and magnetic disk deviceMATSUZAWA TAKUJI·Filed 2012·Granted Jan 13, 2015·2 cites·18 claims
- 1065US9691420B2Disc device, controlling device and methodTOSHIBA KK·Filed 2015·Granted Jun 27, 2017·2 cites·15 claims
- 1164US8804274B1Disk storage apparatus and servo control methodTOSHIBA KK·Filed 2013·Granted Aug 12, 2014·1 cites·16 claims
- 1261US9947351B1Position detecting device for detecting position in accordance with periodically arranged information, position control device, disk storage device, and position detecting methodTOSHIBA KK·Filed 2017·Granted Apr 17, 2018·1 cites·13 claims
- 1358US12456489B2Magnetic disk deviceTOSHIBA KK·Filed 2024·Granted Oct 28, 2025·0 cites·7 claims
- 1458US9824707B2Disk apparatus, driver circuit, and control methodTOSHIBA KK·Filed 2016·Granted Nov 21, 2017·1 cites·20 claims
- 1556US11862193B2Magnetic disk device and parameter setting method of magnetic disk deviceTOSHIBA KK·Filed 2022·Granted Jan 2, 2024·0 cites·4 claims
- 1655US12417783B1Magnetic disk driveTOSHIBA KK·Filed 2024·Granted Sep 16, 2025·0 cites·8 claims
- 1751US2009122438A1Design of feedforward controller for controlling position of magnetic head in magnetic disk driveFUJITSU LTD·Filed 2008·Application pending·0 cites
- 1850US8896952B2Disk storage apparatus and method for servo controllingTOSHIBA KK·Filed 2013·Granted Nov 25, 2014·0 cites·20 claims
- 1949US11990153B2Magnetic disk drive and method of setting a notch filter of the driveTOSHIBA KK·Filed 2023·Granted May 21, 2024·0 cites·16 claims
- 2041US11804244B2Magnetic disk device and filter coefficient setting method of the magnetic disk deviceTOSHIBA KK·Filed 2021·Granted Oct 31, 2023·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →