Inventor · disambiguated record
Toshiki Hirano
Also filed as: HIRANO TOSHIKI
145 granted patents·16 pending applications·2,895 citations·filing 1992–2024
99Inventor score
Files withWESTERN DIGITAL TECH INC50HGST Netherlands BV38HITACHI GLOBAL STORAGE TECH23IBM17HIRANO TOSHIKI15
Top patents by PatentIndex Score
161 records- 0197US9286926B1Two-dimensional magnetic recording (TDMR) disk drive with varying servo track pitchHGST Netherlands BV·Filed 2015·Granted Mar 15, 2016·29 cites·15 claims
- 0297US7450333B2Electrostatic fly-height controlHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Nov 11, 2008·54 cites·18 claims
- 0397US5943043ATouch panel "double-touch" input method and detection apparatusIBM·Filed 1996·Granted Aug 24, 1999·651 cites·4 claims
- 0496US10147876B1Phase change memory electrode with multiple thermal interfacesSANDISK TECHNOLOGIES LLC·Filed 2017·Granted Dec 4, 2018·23 cites·18 claims
- 0596US9490620B1Low permeability electrical feed-throughHGST Netherlands BV·Filed 2015·Granted Nov 8, 2016·18 cites·22 claims
- 0696US9001458B1Hard disk drive sealed in helium using a secondary containerHGST Netherlands BV·Filed 2013·Granted Apr 7, 2015·29 cites·21 claims
- 0796US7986592B2Components and assembly procedure for thermal assisted recordingHITACHI GLOBAL STORAGE TECH NL·Filed 2008·Granted Jul 26, 2011·28 cites·14 claims
- 0896US7855489B2Microactuator substrateHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Dec 21, 2010·33 cites·9 claims
- 0996US5723347ASemi-conductor chip test probe and process for manufacturing the probeIBM·Filed 1996·Granted Mar 3, 1998·165 cites·8 claims
- 1096US5625298ASemi-conductor chip test probeIBM·Filed 1994·Granted Apr 29, 1997·134 cites·1 claims
- 1195US8958173B1Hard disk drive having multiple movable disk stacks on a guide railHGST Netherlands BV·Filed 2013·Granted Feb 17, 2015·39 cites·20 claims
- 1295US7804663B2High frequency interconnect signal transmission linesHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Sep 28, 2010·26 cites·20 claims
- 1395US7145746B1Disk drive with adaptive control of periodic disturbancesHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Dec 5, 2006·23 cites·13 claims
- 1495US7106552B2Method for secondary-actuator failure detection and recovery in a dual-stage actuator disk driveHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Sep 12, 2006·27 cites·15 claims
- 1595US6693757B2Apparatus and method for adjusting balance and assembling disk drivesHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted Feb 17, 2004·84 cites·13 claims
- 1695US5811678AMethod for adjusting rotation balance of disk and device for the sameIBM·Filed 1996·Granted Sep 22, 1998·89 cites·12 claims
- 1795US5489812AMicro actuatorIBM·Filed 1994·Granted Feb 6, 1996·77 cites·18 claims
- 1894US11756583B2Removable disk clamp for read-write device in archival data storage libraryWESTERN DIGITAL TECH INC·Filed 2021·Granted Sep 12, 2023·4 cites·8 claims
- 1994US9025277B1Hard disk drive having multiple disk stacks on a rotatable platformHGST Netherlands BV·Filed 2013·Granted May 5, 2015·24 cites·12 claims
- 2094US8842507B1Heat-assisted magnetic recording disk drive (HAMR) with thermal sensor and laser power predictionHGST Netherlands BV·Filed 2013·Granted Sep 23, 2014·25 cites·16 claims
- 2194US8107326B1Slider with integrated thermally-assisted recording (TAR) head and integrated long laser diodeHIRANO TOSHIKI·Filed 2010·Granted Jan 31, 2012·27 cites·20 claims
- 2294US7345851B2Disk drive with rotary piezoelectric microactuatorHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Mar 18, 2008·54 cites·8 claims
- 2394US7072134B1Dual-stage actuator disk drive with secondary actuator failure detection and recovery using relative-position signalHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jul 4, 2006·21 cites·21 claims
- 2494US6560064B1Disk array system with internal environmental controlsIBM·Filed 2000·Granted May 6, 2003·49 cites·39 claims
- 2594US5959808AShielded electrostatic microactuators for magnetic-head positioning such devicesIBM·Filed 1997·Granted Sep 28, 1999·102 cites·9 claims
- 2693US12148245B2Ranking images in an image groupWESTERN DIGITAL TECH INC·Filed 2021·Granted Nov 19, 2024·3 cites·20 claims
- 2793US9938990B2Flexure back-flow stopperHGST Netherlands BV·Filed 2015·Granted Apr 10, 2018·11 cites·16 claims
- 2893US9349400B1Magnetic recording disk drive with adjustable data track pitch and compensation for repeatable runout (RRO)HGST Netherlands BV·Filed 2015·Granted May 24, 2016·14 cites·16 claims
- 2993US8824094B1Hard disk drive having multiple disk stacks and a movable head stack assemblyHGST Netherlands BV·Filed 2013·Granted Sep 2, 2014·28 cites·18 claims
- 3093US8184507B1Slider with integrated thermally-assisted recording (TAR) head and long laser diode with optical body for directing laser radiationHIRANO TOSHIKI·Filed 2010·Granted May 22, 2012·22 cites·26 claims
- 3193US7405896B2Method and apparatus for detecting slider/disk fly-height modulation in a hard disk driveHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jul 29, 2008·16 cites·20 claims
- 3293US7382583B2Rotary piezoelectric microactuator and disk drive head-suspension assemblyHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Jun 3, 2008·43 cites·8 claims
- 3393US6144178ADisk drive with controlled reduced internal pressureIBM·Filed 1999·Granted Nov 7, 2000·78 cites·23 claims
- 3493US6055132AIntegrated lead suspension flexure for attaching a micro-actuator with a transducer sliderIBM·Filed 1998·Granted Apr 25, 2000·85 cites·36 claims
- 3592US8724248B2Method and apparatus for compensating vibration by adjusting track pitchDHANDA ABHISHEK·Filed 2011·Granted May 13, 2014·22 cites·18 claims
- 3692US7143002B2Method for detecting external acceleration to a hard disk drive by a spindle motorHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Nov 28, 2006·15 cites·20 claims
- 3792US6262868B1Method and structures used for connecting recording head signal wires in a microactuatorIBM·Filed 1997·Granted Jul 17, 2001·78 cites·18 claims
- 3891US11496671B2Surveillance video streams with embedded object dataWESTERN DIGITAL TECH INC·Filed 2021·Granted Nov 8, 2022·3 cites·20 claims
- 3991US10151324B2Backflow stopper with acoustic barrierHGST Netherlands BV·Filed 2016·Granted Dec 11, 2018·6 cites·20 claims
- 4091US9431759B2Feedthrough connector for hermetically sealed electronic devicesHGST Netherlands BV·Filed 2014·Granted Aug 30, 2016·11 cites·5 claims
- 4191US9196303B2Feedthrough connector for hermetically sealed electronic devicesHGST Netherlands BV·Filed 2014·Granted Nov 24, 2015·15 cites·20 claims
- 4291US8411535B1Electrical connection for a laser diode in a tar headHIRANO TOSHIKI·Filed 2011·Granted Apr 2, 2013·14 cites·25 claims
- 4391US8139448B1Slider with integrated thermally-assisted recording (TAR) head and vertical-cavity surface-emitting laser (VCSEL) with angled external cavityHIRANO TOSHIKI·Filed 2010·Granted Mar 20, 2012·16 cites·26 claims
- 4491US7450335B2Reducing read/write head track misregistrationHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Nov 11, 2008·12 cites·20 claims
- 4590US9743547B1Switchable mechanical constraint for electrical connector with compliant mountingHGST Netherlands BV·Filed 2016·Granted Aug 22, 2017·8 cites·20 claims
- 4690US7312941B2Disk drive with head-disk interaction sensor integrated with suspensionHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Dec 25, 2007·30 cites·21 claims
- 4790US7012777B1Disk drive with capacitance sensing of disk vibration and feedforward control for removal of read/write head track misregistrationHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Mar 14, 2006·28 cites·18 claims
- 4890US6195227B1Integrated 3D limiters for microactuatorsIBM·Filed 1997·Granted Feb 27, 2001·60 cites·24 claims
- 4989US10923462B2Bifurcated memory die module semiconductor deviceWESTERN DIGITAL TECH INC·Filed 2018·Granted Feb 16, 2021·5 cites·26 claims
- 5089US10228880B2Position-aware primary command queue managementHGST Netherlands BV·Filed 2016·Granted Mar 12, 2019·6 cites·21 claims
Showing the top 50 of 161 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →