Inventor · disambiguated record
Gaku Ikedo
Also filed as: IKEDO GAKU
26 granted patents·1 pending application·124 citations·filing 2000–2024
95Inventor score
Top patents by PatentIndex Score
27 records- 0195US7561365B2Disk drive and control method thereofHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jul 14, 2009·27 cites·19 claims
- 0293US11763843B1VCM PWM to linear mode transition offset optimization to improve PESWESTERN DIGITAL TECH INC·Filed 2022·Granted Sep 19, 2023·3 cites·11 claims
- 0389US11823710B2Dual spindle motors and dual spindle motor control for data storageWESTERN DIGITAL TECH INC·Filed 2022·Granted Nov 21, 2023·2 cites·16 claims
- 0489US11763844B1Data storage device having dual actuators and method for emergency power off retract (EPOR) of dual actuatorsWESTERN DIGITAL TECH INC·Filed 2022·Granted Sep 19, 2023·2 cites·25 claims
- 0589US10176840B1Data storage device adjusting spindle motor current based on continuous function of voice coil current during seekWESTERN DIGITAL TECH INC·Filed 2018·Granted Jan 8, 2019·9 cites·24 claims
- 0689US7035034B2Data storage device, control device, off-track control method, and control methodIBM·Filed 2003·Granted Apr 25, 2006·26 cites·30 claims
- 0788US11749303B2Data storage device with soft on-disk activation of fine actuatorsWESTERN DIGITAL TECH INC·Filed 2021·Granted Sep 5, 2023·2 cites·20 claims
- 0887US10635158B1Write data protection at emergency power offWESTERN DIGITAL TECH INC·Filed 2017·Granted Apr 28, 2020·5 cites·22 claims
- 0987US7706099B2Magnetic disk drive and method of controlling the sameHITACHI GLOBAL STORAGE TECH·Filed 2008·Granted Apr 27, 2010·7 cites·14 claims
- 1086US10996740B2Write data protection at emergency power offWESTERN DIGITAL TECH INC·Filed 2020·Granted May 4, 2021·2 cites·19 claims
- 1184US7580217B2Disk drive with hybrid analog-digital acceleration feedforward control system and method for rejecting rotational vibrationHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Aug 25, 2009·9 cites·17 claims
- 1280US7253581B2Data storage device, motor control device, and motor control methodHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Aug 7, 2007·7 cites·21 claims
- 1376US6411056B1System and method for stabilizing disk drive rotation controlIBM·Filed 2000·Granted Jun 25, 2002·12 cites·8 claims
- 1472US6961202B2Data storage device having acceleration sensor attached to circuit board for detecting vibrations in planar rotation direction along circuit boardHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Nov 1, 2005·9 cites·10 claims
- 1568US12266385B2Data storage device having dual actuators and method for emergency power off retract (EPOR) of dual actuatorsWESTERN DIGITAL TECH INC·Filed 2023·Granted Apr 1, 2025·0 cites·20 claims
- 1668US12254909B2VCM PWM to linear mode transition offset optimization to improve PESWESTERN DIGITAL TECH INC·Filed 2023·Granted Mar 18, 2025·0 cites·20 claims
- 1766US7576936B2Method of starting the magnetic disk device using fluid dynamic bearing spindle motorHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Aug 18, 2009·1 cites·16 claims
- 1866US7133236B2Storage device control method, motor control method, and storage deviceHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Nov 7, 2006·1 cites·26 claims
- 1966US2024062785A1Dual spindle motors and dual spindle motor control for data storageWESTERN DIGITAL TECH INC·Filed 2023·Application pending·0 cites
- 2059US12406697B1Voltage slew control of fine actuators during dischargeWESTERN DIGITAL TECH INC·Filed 2024·Granted Sep 2, 2025·0 cites·21 claims
- 2157US11373678B2Data storage device using windowed delta-sigma analog-to-digital converter in digital current control loopWESTERN DIGITAL TECH INC·Filed 2021·Granted Jun 28, 2022·0 cites·20 claims
- 2256US11978482B2Data storage device with closed loop extended park mode during spin down operationWESTERN DIGITAL TECH INC·Filed 2022·Granted May 7, 2024·0 cites·17 claims
- 2354US11862202B2Data storage device with smart ISOFET threshold voltage automatic tuningWESTERN DIGITAL TECH INC·Filed 2022·Granted Jan 2, 2024·0 cites·21 claims
- 2451US11837264B2Data storage device having dual actuators and method for data egress throttling during emergency power off retract (EPOR)WESTERN DIGITAL TECH INC·Filed 2022·Granted Dec 5, 2023·0 cites·20 claims
- 2551US7474490B2Disk drive with reduced vibration due to rotational acceleration of a spindle motorHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Jan 6, 2009·0 cites·5 claims
- 2650US11948603B1Optimize power, RTV, and coupled PES during seek operationsWESTERN DIGITAL TECH INC·Filed 2022·Granted Apr 2, 2024·0 cites·30 claims
- 2743US11043243B2Calibrating elevator actuator for disk driveWESTERN DIGITAL TECH INC·Filed 2020·Granted Jun 22, 2021·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →