Inventor · disambiguated record
Kouki Uefune
Also filed as: UEFUNE KOUKI
56 granted patents·4 pending applications·794 citations·filing 1992–2021
98Inventor score
Files withHITACHI LTD17HITACHI GLOBAL STORAGE TECH12WESTERN DIGITAL TECH INC11HGST Netherlands BV4HITACHI GLOBAL STORAGE TECH NL4
Top patents by PatentIndex Score
60 records- 0198US5414591AMagnetic disk storage systemHITACHI LTD·Filed 1992·Granted May 9, 1995·326 cites·16 claims
- 0295US10997998B1Tape embedded drive with tied spindle structureWESTERN DIGITAL TECH INC·Filed 2020·Granted May 4, 2021·7 cites·20 claims
- 0395US7986490B2Reduce leakage of low-density gas during low-density gas injection into a disk driveHITACHI GLOBAL STORAGE TECH NL·Filed 2008·Granted Jul 26, 2011·21 cites·11 claims
- 0495US7876527B2Magnetic disk deviceHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Jan 25, 2011·25 cites·10 claims
- 0594US8248724B2Disk drive and method of re-injecting low density gas in a hermetically sealed disk enclosure of a disk driveHAYAKAWA TAKAKO·Filed 2009·Granted Aug 21, 2012·31 cites·8 claims
- 0694US7876528B2Disk drive device and manufacturing method thereofHITACHI GLOBAL STORAGE TECH NL·Filed 2008·Granted Jan 25, 2011·21 cites·11 claims
- 0792US8659849B2Hermetically resealable hard-disk drive configured for recharging with a low-density gasHAYAKAWA TAKAKO·Filed 2011·Granted Feb 25, 2014·34 cites·17 claims
- 0891US7773338B2Magnetic disk driveHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Aug 10, 2010·12 cites·9 claims
- 0991US6552877B2Magnetic-head supporting mechanismHITACHI LTD·Filed 2001·Granted Apr 22, 2003·21 cites·6 claims
- 1089US10998008B1Interface connector for tape embedded driveWESTERN DIGITAL TECH INC·Filed 2020·Granted May 4, 2021·3 cites·20 claims
- 1189US10699730B1Dual symmetrical actuator hard disk driveWESTERN DIGITAL TECH INC·Filed 2019·Granted Jun 30, 2020·11 cites·20 claims
- 1289US8094408B2Magnetic disk drive sealed with low vapor pressure fluorine oilUEFUNE KOUKI·Filed 2007·Granted Jan 10, 2012·12 cites·2 claims
- 1388US7929247B2Magnetic disk drive and manufacturing method thereofHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Apr 19, 2011·8 cites·12 claims
- 1487US11295771B2Head positioning assembly for tape embedded driveWESTERN DIGITAL TECH INC·Filed 2020·Granted Apr 5, 2022·3 cites·16 claims
- 1587US8564900B2Hermetically-sealed disk drive device with flow amount adjuster and low-density gas sealed thereinHIRONO YOSHIYUKI·Filed 2008·Granted Oct 22, 2013·11 cites·3 claims
- 1686US10916269B2Magnet for motor of magnetic storage deviceWESTERN DIGITAL TECH INC·Filed 2019·Granted Feb 9, 2021·2 cites·20 claims
- 1783US11170823B1Tape embedded drive with multiple feedthrough connectionsWESTERN DIGITAL TECH INC·Filed 2020·Granted Nov 9, 2021·2 cites·22 claims
- 1883US8196284B2Manufacturing method of base and manufacturing method of disk drive deviceUEFUNE KOUKI·Filed 2009·Granted Jun 12, 2012·6 cites·4 claims
- 1983US7630170B2Sealing method for magnetic disk driveHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Dec 8, 2009·5 cites·13 claims
- 2083US5517372ARotating disk storage device with cooling air flow controlHITACHI LTD·Filed 1993·Granted May 14, 1996·30 cites·15 claims
- 2181US6356408B1Magnetic disk apparatus, including spindle motor having air flow passage in hub for pressure balanceHITACHI LTD·Filed 1999·Granted Mar 12, 2002·30 cites·3 claims
- 2280US7511919B2Magnetic disk apparatusHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Mar 31, 2009·4 cites·8 claims
- 2380US6594107B2Magnetic disc apparatus having wiring on the outer bottomHITACHI LTD·Filed 2001·Granted Jul 15, 2003·14 cites·15 claims
- 2479US6987635B2Magnetic disk drive which accesses host RAMHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Jan 17, 2006·26 cites·4 claims
- 2578US7679859B2Magnetic recording and reproducing apparatus with circuit board attachment deviceHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Mar 16, 2010·3 cites·20 claims
- 2678US7652850B2Rotating disk type storage unit with reduced vibrationHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jan 26, 2010·3 cites·13 claims
- 2777US11211086B1Embedded tape reel lock mechanism for tape embedded storage driveWESTERN DIGITAL TECH INC·Filed 2021·Granted Dec 28, 2021·1 cites·20 claims
- 2875US7450345B2Magnetic head supporting mechanism with two openings proximate to pivot of load beamHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Nov 11, 2008·1 cites·5 claims
- 2975US6621663B2Magnetic-head supporting mechanismHITACHI LTD·Filed 2002·Granted Sep 16, 2003·6 cites·10 claims
- 3072US8767353B2Low profile damper plates for a yoke of a voice coil motorSUDO KIMIHIKO·Filed 2010·Granted Jul 1, 2014·3 cites·9 claims
- 3172US8705202B2Reduce leakage of low-density gas during low-density gas injection into a disk driveHIRONO YOSHIYUKI·Filed 2011·Granted Apr 22, 2014·3 cites·11 claims
- 3272US8570682B2Disk drive using an airflow reduction plate and methods of manufacturing thereofICHIKAWA KAZUHIDE·Filed 2009·Granted Oct 29, 2013·8 cites·14 claims
- 3372US6369981B2Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unitHITACHI LTD·Filed 2001·Granted Apr 9, 2002·13 cites·14 claims
- 3471US11107494B1Data storage device accessing magnetic tape by actuating head in two dimensionsWESTERN DIGITAL TECH INC·Filed 2019·Granted Aug 31, 2021·2 cites·20 claims
- 3570US6950276B2Disk drive motor and disk drive storage device incorporating sameHITACHI LTD·Filed 2002·Granted Sep 27, 2005·8 cites·9 claims
- 3670US6226153B1Magnetic-head supporting mechanismHITACHI LTD·Filed 1998·Granted May 1, 2001·13 cites·10 claims
- 3768US7561377B2Disk drive disk clamping via a hub flange, a clamp, and an O-ringHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jul 14, 2009·1 cites·15 claims
- 3868US5636082ARotating disk storage device with cooling air flow controlHITACHI LTD·Filed 1995·Granted Jun 3, 1997·18 cites·1 claims
- 3966US7885039B2Magnetic head supporting mechanism with regulating member which prevents over angulation of the slider supportHITACHI GLOBAL STORAGE TECH·Filed 2008·Granted Feb 8, 2011·0 cites·10 claims
- 4064US8363360B2Disk drive with adhesively bonded pivot-bearing assemblyHGST Netherlands BV·Filed 2010·Granted Jan 29, 2013·1 cites·11 claims
- 4163US7009815B2Disk drive with spring provided in groove of voice coil holder to electrically connect voice coil with flexible printed circuitHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Mar 7, 2006·4 cites·6 claims
- 4262US11495270B2Tape embedded drive with multiple feedthrough connectionsWESTERN DIGITAL TECH INC·Filed 2021·Granted Nov 8, 2022·0 cites·22 claims
- 4362US8630061B2Retaining a spoiler in a hard disk driveSUDO KIMIHIKO·Filed 2010·Granted Jan 14, 2014·1 cites·8 claims
- 4462US6943984B2Magnetic disc apparatus having stator structure with reduced distortionHITACHI LTD·Filed 2002·Granted Sep 13, 2005·4 cites·8 claims
- 4562US6243230B1Disk drive unit with hydrodynamic fluid bearing unit and disk device with said drive unitHITACHI LTD·Filed 1999·Granted Jun 5, 2001·19 cites·4 claims
- 4661US6744703B2Continuous recording apparatus by interpolating the audio signal during seeking operationHITACHI LTD·Filed 2001·Granted Jun 1, 2004·4 cites·20 claims
- 4758US11295769B2Soft mount voice coil motor assemblyWESTERN DIGITAL TECH INC·Filed 2020·Granted Apr 5, 2022·0 cites·19 claims
- 4858US8189289B2Electrically conductive spacer and disk drive including the electrically conductive spacerHAYAKAWA TAKAKO·Filed 2009·Granted May 29, 2012·0 cites·20 claims
- 4958US7248439B2Magnetic head supporting mechanism utilizing elongated portions of a load beam to define an opening in the load beamHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Jul 24, 2007·0 cites·24 claims
- 5055US6954337B2Magnetic-head supporting mechanismHITACHI LTD·Filed 2003·Granted Oct 11, 2005·1 cites·3 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
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