Inventor · disambiguated record
Takako Hayakawa
Also filed as: HAYAKAWA TAKAKO
40 granted patents·5 pending applications·361 citations·filing 2001–2020
98Inventor score
Files withWESTERN DIGITAL TECH INC10HITACHI GLOBAL STORAGE TECH9HGST Netherlands BV7HITACHI GLOBAL STORAGE TECH NL6HAYAKAWA TAKAKO3
Top patents by PatentIndex Score
45 records- 0196US7957092B2Magnetic disk drive and method for production thereofHITACHI GLOBAL STORAGE TECH NL·Filed 2008·Granted Jun 7, 2011·29 cites·12 claims
- 0295US10997998B1Tape embedded drive with tied spindle structureWESTERN DIGITAL TECH INC·Filed 2020·Granted May 4, 2021·7 cites·20 claims
- 0395US10803908B1Sealed electronic component rework patchWESTERN DIGITAL TECH INC·Filed 2020·Granted Oct 13, 2020·6 cites·16 claims
- 0495US7986490B2Reduce 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
- 0595US7876527B2Magnetic disk deviceHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Jan 25, 2011·25 cites·10 claims
- 0694US8248724B2Disk 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
- 0794US7876528B2Disk drive device and manufacturing method thereofHITACHI GLOBAL STORAGE TECH NL·Filed 2008·Granted Jan 25, 2011·21 cites·11 claims
- 0892US9570114B1Laminated film-packed hard disk drive for hermetic sealingHGST Netherlands BV·Filed 2016·Granted Feb 14, 2017·22 cites·22 claims
- 0992US8659849B2Hermetically resealable hard-disk drive configured for recharging with a low-density gasHAYAKAWA TAKAKO·Filed 2011·Granted Feb 25, 2014·34 cites·17 claims
- 1091US10424345B1Misalignment-tolerant flexible type electrical feed-throughWESTERN DIGITAL TECH INC·Filed 2018·Granted Sep 24, 2019·11 cites·21 claims
- 1191US7773338B2Magnetic disk driveHITACHI GLOBAL STORAGE TECH·Filed 2007·Granted Aug 10, 2010·12 cites·9 claims
- 1290US7872836B2Disk drive deviceHITACHI GLOBAL STORAGE TECH NL·Filed 2008·Granted Jan 18, 2011·18 cites·6 claims
- 1389US9721619B2Hermetic sealing of hard disk drive using laminated film sealHGST Netherlands BV·Filed 2015·Granted Aug 1, 2017·10 cites·16 claims
- 1489US8094408B2Magnetic disk drive sealed with low vapor pressure fluorine oilUEFUNE KOUKI·Filed 2007·Granted Jan 10, 2012·12 cites·2 claims
- 1588US7929247B2Magnetic disk drive and manufacturing method thereofHITACHI GLOBAL STORAGE TECH NL·Filed 2007·Granted Apr 19, 2011·8 cites·12 claims
- 1686US10916269B2Magnet for motor of magnetic storage deviceWESTERN DIGITAL TECH INC·Filed 2019·Granted Feb 9, 2021·2 cites·20 claims
- 1786US9558790B1Hermetic sealing with high-speed transmission for hard disk driveHGST Netherlands BV·Filed 2016·Granted Jan 31, 2017·7 cites·20 claims
- 1885US8749914B2Disk-enclosure base configured to inhibit formation of adherent solder-flux residueOTAKE NORITAKA·Filed 2011·Granted Jun 10, 2014·11 cites·20 claims
- 1985US7551402B2Magnetic disk drive and rampHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Jun 23, 2009·6 cites·10 claims
- 2083US8196284B2Manufacturing method of base and manufacturing method of disk drive deviceUEFUNE KOUKI·Filed 2009·Granted Jun 12, 2012·6 cites·4 claims
- 2183US7630170B2Sealing method for magnetic disk driveHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Dec 8, 2009·5 cites·13 claims
- 2282US9721620B2Hermetic sealing of hard disk drive using laminated film sealHGST Netherlands BV·Filed 2015·Granted Aug 1, 2017·6 cites·21 claims
- 2380US9870806B2Hermetic sealing with high-speed transmission for hard disk driveHGST Netherlands BV·Filed 2017·Granted Jan 16, 2018·4 cites·20 claims
- 2480US9704539B2Hermetic sealing of hard disk drive using laminated film sealHGST Netherlands BV·Filed 2015·Granted Jul 11, 2017·5 cites·18 claims
- 2580US7511919B2Magnetic disk apparatusHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Mar 31, 2009·4 cites·8 claims
- 2680US6594107B2Magnetic disc apparatus having wiring on the outer bottomHITACHI LTD·Filed 2001·Granted Jul 15, 2003·14 cites·15 claims
- 2778US7679859B2Magnetic recording and reproducing apparatus with circuit board attachment deviceHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Mar 16, 2010·3 cites·20 claims
- 2872US8767353B2Low profile damper plates for a yoke of a voice coil motorSUDO KIMIHIKO·Filed 2010·Granted Jul 1, 2014·3 cites·9 claims
- 2972US8705202B2Reduce 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
- 3072US8570682B2Disk drive using an airflow reduction plate and methods of manufacturing thereofICHIKAWA KAZUHIDE·Filed 2009·Granted Oct 29, 2013·8 cites·14 claims
- 3169US10460768B2Base unit and disk drive apparatusNIDEC CORP·Filed 2018·Granted Oct 29, 2019·1 cites·12 claims
- 3268US7561377B2Disk 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
- 3364US8363360B2Disk drive with adhesively bonded pivot-bearing assemblyHGST Netherlands BV·Filed 2010·Granted Jan 29, 2013·1 cites·11 claims
- 3463US7009815B2Disk 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
- 3558US11295769B2Soft mount voice coil motor assemblyWESTERN DIGITAL TECH INC·Filed 2020·Granted Apr 5, 2022·0 cites·19 claims
- 3658US8189289B2Electrically conductive spacer and disk drive including the electrically conductive spacerHAYAKAWA TAKAKO·Filed 2009·Granted May 29, 2012·0 cites·20 claims
- 3755US2018308526A1Base unit and disk drive apparatusWESTERN DIGITAL TECH INC·Filed 2018·Application pending·0 cites
- 3855US2018322909A1Base unit and disk drive apparatusWESTERN DIGITAL TECH INC·Filed 2018·Application pending·0 cites
- 3955US2018308525A1Base unit and disk drive apparatusWESTERN DIGITAL TECH INC·Filed 2018·Application pending·0 cites
- 4052US7619853B2Magnetic disk drive with mechanism for fixing flexible printed circuit assemblyHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Nov 17, 2009·0 cites·16 claims
- 4150US2009097375A1Disk drive device and manufacturing method thereofUEFUNE KOUKI·Filed 2008·Application pending·0 cites
- 4249US7697235B2Magnetic disk drive and base with guideHITACHI GLOBAL STORAGE TECH·Filed 2006·Granted Apr 13, 2010·0 cites·14 claims
- 4347US10164358B2Electrical feed-through and connector configurationWESTERN DIGITAL TECH INC·Filed 2016·Granted Dec 25, 2018·0 cites·16 claims
- 4445US10575424B2Hermetic sealed electrical connector with high-speed transmission for hard disk driveWESTERN DIGITAL TECH INC·Filed 2017·Granted Feb 25, 2020·0 cites·20 claims
- 4541US2005117259A1Magnetic disc apparatus and assembling method of the sameFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →