Inventor · disambiguated record
Kazuhiko Takaishi
Also filed as: TAKAISHI KAZUHIKO
69 granted patents·4 pending applications·760 citations·filing 1991–2023
99Inventor score
Top patents by PatentIndex Score
73 records- 0194US7372659B2Head position control method, head position control device and disk deviceFUJITSU LTD·Filed 2006·Granted May 13, 2008·18 cites·24 claims
- 0294US7352526B2Offset measurement method for magnetic recording head and magnetic recording/reproducing deviceFUJITSU LTD·Filed 2006·Granted Apr 1, 2008·16 cites·20 claims
- 0394US7265934B2Head position control method, head position control device, and disk deviceFUJITSU LTD·Filed 2006·Granted Sep 4, 2007·18 cites·27 claims
- 0494US6088187AControl system for two-stage actuatorFUJITSU LTD·Filed 1997·Granted Jul 11, 2000·87 cites·10 claims
- 0593US7136256B2Head positioning control method for a storage device and head positioning control deviceFUJITSU LTD·Filed 2005·Granted Nov 14, 2006·14 cites·12 claims
- 0692US7372658B2Correction table creation method for head position control, head position control method and disk deviceFUJITSU LTD·Filed 2006·Granted May 13, 2008·11 cites·2 claims
- 0792US5859742ADisk storage apparatus having head overshoot and undershoot controlFUJITSU LTD·Filed 1996·Granted Jan 12, 1999·77 cites·34 claims
- 0889US7193808B2Correction table creation method for head position control, head position control method and disk deviceFUJITSU LTD·Filed 2004·Granted Mar 20, 2007·20 cites·28 claims
- 0988US7504795B2Head position control method, head position control device, and disk deviceFUJITSU LTD·Filed 2007·Granted Mar 17, 2009·8 cites·24 claims
- 1088US7460330B2Settling judgment method for positioning control device and positioning control deviceFUJITSU LTD·Filed 2006·Granted Dec 2, 2008·8 cites·18 claims
- 1188US6950258B2Head positioning control method and device for storage disk apparatusFUJITSU LTD·Filed 2001·Granted Sep 27, 2005·26 cites·10 claims
- 1288US6421200B2Control method and control device for a disk storage deviceFUJITSU LTD·Filed 2000·Granted Jul 16, 2002·24 cites·24 claims
- 1386US6995944B1Head positioning control method for a storage device and head positioning control deviceFUJITSU LTD·Filed 2000·Granted Feb 7, 2006·17 cites·6 claims
- 1485US8625230B2Position demodulator and position demodulation methodKOSUGI TATSUHIKO·Filed 2012·Granted Jan 7, 2014·10 cites·10 claims
- 1585US7535192B2Head positioning control method, head positioning control device and disk apparatusFUJITSU LTD·Filed 2006·Granted May 19, 2009·6 cites·23 claims
- 1685US7466101B2Head position control method, head position control device, and disk deviceFUJITSU LTD·Filed 2006·Granted Dec 16, 2008·6 cites·19 claims
- 1783US7953502B2Position control method, position control device, and medium storage device having disturbance suppression functionTOSHIBA STORAGE DEVICE CORP·Filed 2010·Granted May 31, 2011·5 cites·6 claims
- 1881US7605998B2Settling judgment method for positioning control device, positioning control device and disk apparatusFUJITSU LTD·Filed 2006·Granted Oct 20, 2009·4 cites·20 claims
- 1981US6728061B2Head position control method, control device for disk device and disk deviceFUJITSU LTD·Filed 2000·Granted Apr 27, 2004·15 cites·14 claims
- 2079US9837114B1Disk device and method for manufacturing disk deviceTOSHIBA KK·Filed 2017·Granted Dec 5, 2017·4 cites·20 claims
- 2179US7826168B2Method of creating correction table for head position control, head position control method, and disk deviceTOSHIBA STORAGE DEVICE CORP·Filed 2005·Granted Nov 2, 2010·3 cites·8 claims
- 2279US7394613B2Control device, disk device, and seek orbit generation methodFUJITSU LTD·Filed 2006·Granted Jul 1, 2008·3 cites·15 claims
- 2379US6646824B1Head-positioning control method and device for a disk deviceFUJITSU LTD·Filed 2000·Granted Nov 11, 2003·13 cites·12 claims
- 2479US6160676AStorage disk apparatus and method of controlling sameFUJITSU LTD·Filed 1998·Granted Dec 12, 2000·32 cites·14 claims
- 2579US5151639ASystem for positioning a transducerFUJITSU LTD·Filed 1991·Granted Sep 29, 1992·48 cites·9 claims
- 2678US7564643B2Head position control device and medium storage deviceFUJITSU LTD·Filed 2008·Granted Jul 21, 2009·3 cites·20 claims
- 2776US7869156B2Method of creating correction table for head position control, head position control method, and disk deviceTOSHIBA STORAGE DEVICE CORP·Filed 2009·Granted Jan 11, 2011·2 cites·12 claims
- 2876US6166875AMethod of positionally controlling a recording/reproducing head so as to follow a rotational frequency component of a disk while eliminating a high order frequency componentFUJITSU LTD·Filed 1998·Granted Dec 26, 2000·27 cites·19 claims
- 2975US7570452B2Two degree of freedom position control method, two degree of freedom position control device, and medium storage deviceFUJITSU LTD·Filed 2007·Granted Aug 4, 2009·2 cites·20 claims
- 3075US6989956B2Head position control method, disk device, and servo track write methodFUJITSU LTD·Filed 2003·Granted Jan 24, 2006·10 cites·14 claims
- 3175US6819519B2Head position control method for a disk device and the disk deviceFUJITSU LTD·Filed 2000·Granted Nov 16, 2004·11 cites·16 claims
- 3275US5995318AHead positioning control system for disk drives each formed by assembling disks after servo control information is written externally on respective disks and disk driveFUJITSU LTD·Filed 1997·Granted Nov 30, 1999·28 cites·13 claims
- 3374US7460331B2Seek control method, seek control device and medium storage deviceFUJITSU LTD·Filed 2007·Granted Dec 2, 2008·2 cites·20 claims
- 3474US7075747B2Head position control method and disk deviceFUJITSU LTD·Filed 2003·Granted Jul 11, 2006·9 cites·22 claims
- 3574US6865051B2Head position control method and disk storage deviceFUJITSU LTD·Filed 2003·Granted Mar 8, 2005·9 cites·16 claims
- 3673US8773808B2Magnetic disk device and head-position control methodIWASHIRO MASAFUMI·Filed 2012·Granted Jul 8, 2014·4 cites·17 claims
- 3773US7508620B2Disk apparatus, information processing system, and information providing apparatusFUJITSU LTD·Filed 2006·Granted Mar 24, 2009·2 cites·30 claims
- 3870US7463439B2Control device, storage device, storage medium, servo data demodulation method, repeatable velocity error measuring device, and computer productFUJITSU LTD·Filed 2007·Granted Dec 9, 2008·1 cites·18 claims
- 3970US5731973ADeveloping system and measuring system for filing apparatusFUJITSU LTD·Filed 1995·Granted Mar 24, 1998·59 cites·25 claims
- 4069US8009382B2Position control apparatus and disk apparatus using the sameTOSHIBA STORAGE DEVICE CORP·Filed 2009·Granted Aug 30, 2011·1 cites·20 claims
- 4169US7609474B2Seek control method, seek control device and disk deviceFUJITSU LTD·Filed 2006·Granted Oct 27, 2009·1 cites·16 claims
- 4268US7515375B2Positioning control device and disk deviceFUJITSU LTD·Filed 2006·Granted Apr 7, 2009·1 cites·14 claims
- 4367US8068307B2Position control apparatus and disk apparatus using the sameTAKAISHI KAZUHIKO·Filed 2009·Granted Nov 29, 2011·1 cites·20 claims
- 4467US7027254B2Head positioning control method, device for disk device and disk deviceFUJITSU LTD·Filed 2000·Granted Apr 11, 2006·6 cites·12 claims
- 4564US8817416B2Magnetic disk device and method of controlling magnetic headsTOSHIBA KK·Filed 2013·Granted Aug 26, 2014·1 cites·7 claims
- 4663US8553345B2Position demodulation apparatus and position demodulation methodOYABU HIROSHI·Filed 2012·Granted Oct 8, 2013·2 cites·13 claims
- 4762US8520334B2Disk storage device, controller of the same, controlling method performed by the same, and electronic deviceTAKAISHI KAZUHIKO·Filed 2011·Granted Aug 27, 2013·1 cites·18 claims
- 4862US8514512B2Disk storage device, controller of the same, controlling method performed by the same, and electronic deviceTAKAISHI KAZUHIKO·Filed 2011·Granted Aug 20, 2013·1 cites·19 claims
- 4962US7724467B2Storage device, control circuit for storage device, and servo-write-mode identifying methodTOSHIBA STORAGE DEVICE CORP·Filed 2009·Granted May 25, 2010·0 cites·15 claims
- 5061US9905257B2Hard disk drive, manufacturing method of the same, and servo data writing methodTOSHIBA KK·Filed 2016·Granted Feb 27, 2018·1 cites·10 claims
Showing the top 50 of 73 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →