Inventor · disambiguated record
Yosuke Seo
Also filed as: SEO YOSUKE
18 granted patents·1 pending application·568 citations·filing 1984–2005
96Inventor score
Top patents by PatentIndex Score
19 records- 0195US6590729B1Magnetic disk drive with servo signal decoder using amplitude detection and phase detection systemHITACHI LTD·Filed 2000·Granted Jul 8, 2003·63 cites·18 claims
- 0295US4651242AMagnetic disk apparatusHITACHI LTD·Filed 1984·Granted Mar 17, 1987·54 cites·3 claims
- 0394US6286108B1Disk system and power-on sequence for the sameHITACHI LTD·Filed 2000·Granted Sep 4, 2001·27 cites·41 claims
- 0494US5193034AMagnetic disk apparatus of constant-density recording type, magnetic disk used therefor and servo-writing device for patterning on the magnetic diskHITACHI LTD·Filed 1990·Granted Mar 9, 1993·75 cites·20 claims
- 0593US5568331AMethod of head positioning and magnetic recording disk drive using the sameHITACHI LTD·Filed 1990·Granted Oct 22, 1996·67 cites·22 claims
- 0689US5673412ADisk system and power-on sequence for the sameHITACHI LTD·Filed 1995·Granted Sep 30, 1997·38 cites·67 claims
- 0785US6898047B2Magnetic disk drive for compensating repeatable runout errorHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted May 24, 2005·20 cites·3 claims
- 0881US6012124ADisk system with activation control of disk drive motorsHITACHI LTD·Filed 1997·Granted Jan 4, 2000·56 cites·12 claims
- 0978US6131142ADisk system and power-on sequence for the sameHITACHI LTD·Filed 1999·Granted Oct 10, 2000·49 cites·17 claims
- 1074US5132854AHigh speed seek sector servo magnetic disk drive unitHITACHI LTD·Filed 1989·Granted Jul 21, 1992·19 cites·9 claims
- 1169US6625690B2Disk system and power-on sequence for the sameHITACHI LTD·Filed 2002·Granted Sep 23, 2003·8 cites·5 claims
- 1268US5548454AInformation recording disk, its production method and recording apparatusHITACHI LTD·Filed 1990·Granted Aug 20, 1996·18 cites·2 claims
- 1361US7242656B2Disk system and power-on sequence for the sameHITACHI LTD·Filed 2003·Granted Jul 10, 2007·2 cites·10 claims
- 1461US5748398AMethod for writing servo signals onto a magnetic disk and magnetic disk drive equipped with magnetic disk(s) having servo pattern recorded by the methodHITACHI LTD·Filed 1996·Granted May 5, 1998·15 cites·3 claims
- 1559US5572699AVariable length data in a parallel disk arrayHITACHI LTD·Filed 1993·Granted Nov 5, 1996·33 cites·30 claims
- 1652US4707755AOptical read-out magnetic headHITACHI LTD·Filed 1986·Granted Nov 17, 1987·8 cites·7 claims
- 1750US2005201003A1Magnetic disk driveHITACHI GLOBAL STORAGE TECH·Filed 2005·Application pending·0 cites
- 1847US4851939AActuator driving apparatus and magnetic disk drive system with a smaller number of high power amplifiers than actuatorsHITACHI LTD·Filed 1987·Granted Jul 25, 1989·7 cites·10 claims
- 1940US5325364AMethod for error correction and circuit for realizing sameHITACHI LTD·Filed 1989·Granted Jun 28, 1994·9 cites·11 claims
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