Inventor · disambiguated record
Keishi Takahashi
Also filed as: TAKAHASHI KEISHI
19 granted patents·1 pending application·226 citations·filing 1985–2023
95Inventor score
Files withIBM9HITACHI GLOBAL STORAGE TECH8ALBRECHT THOMAS R1HITCHI GLOBAL STORAGE TECHNOLO1WESTERN DIGITAL TECH INC1
Top patents by PatentIndex Score
20 records- 0187US6163440AInertial latch mechanism for actuator of disk drive deviceIBM·Filed 1998·Granted Dec 19, 2000·50 cites·3 claims
- 0286US7542223B2Magnetic disk drive using load/unload area for data storageHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jun 2, 2009·7 cites·18 claims
- 0382US7620740B2Storage devices and method of transferring file between the devicesHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Nov 17, 2009·5 cites·15 claims
- 0481US6532137B2Head assembly, disk drive apparatus, hard disk drive and method for manufacturing disk drive apparatusIBM·Filed 2001·Granted Mar 11, 2003·15 cites·10 claims
- 0578US6639758B2Disk drive apparatus including a load/unload ramp with different angles for standard and depopulated versionsHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted Oct 28, 2003·13 cites·1 claims
- 0677US6643087B1Disk drive with improved retract circuit and methodHITACHI GLOBAL STORAGE TECH·Filed 2000·Granted Nov 4, 2003·14 cites·14 claims
- 0774US7426088B2Magnetic disk drive with function assignment and manufacturing method thereforHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Sep 16, 2008·2 cites·20 claims
- 0870US6137658AApparatus for guiding and locking a rotary actuatorIBM·Filed 1998·Granted Oct 24, 2000·22 cites·8 claims
- 0969US5760997AFlexible cable structure for magnetic disk drivesIBM·Filed 1997·Granted Jun 2, 1998·31 cites·30 claims
- 1067US6900956B2Disk device and data-erasing methodHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted May 31, 2005·6 cites·14 claims
- 1164US8526132B2Servo patterning compatible with planarization of patterned magnetic disksALBRECHT THOMAS R·Filed 2010·Granted Sep 3, 2013·1 cites·20 claims
- 1258US12431162B2Rotating electromagnet for removable disk clampWESTERN DIGITAL TECH INC·Filed 2023·Granted Sep 30, 2025·0 cites·20 claims
- 1358US6362936B2Suspension assembly with integral projections having a coating of elastic materialIBM·Filed 1997·Granted Mar 26, 2002·14 cites·3 claims
- 1457US6593855B2Shock measurement apparatus and shock measurement methodIBM·Filed 2001·Granted Jul 15, 2003·8 cites·14 claims
- 1556US7379396B2Rotary disk type storage deviceHITCHI GLOBAL STORAGE TECHNOLO·Filed 2004·Granted May 27, 2008·3 cites·24 claims
- 1654US7457065B2Systems and methods for hard disk drive optimization and manufacturingHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Nov 25, 2008·2 cites·27 claims
- 1754US5671104ASystem and method for locking a disk actuator in vertical and horizontal directionsIBM·Filed 1996·Granted Sep 23, 1997·11 cites·7 claims
- 1852US5896242ASpindle motor with stress alleviating groove provided in hub cylindrical protrusion portionIBM·Filed 1997·Granted Apr 20, 1999·13 cites·1 claims
- 1949US4691258ATemperature compensating mechanism for positioning of a magnetic head of a magnetic disk driveIBM·Filed 1985·Granted Sep 1, 1987·9 cites·3 claims
- 2041US2005057848A1Magnetic disk spaceHITACHI GLOBAL STORAGE TECH·Filed 2004·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →