Inventor · disambiguated record
Hiroyasu Tsuchida
Also filed as: TSUCHIDA HIROYASU
42 granted patents·6 pending applications·342 citations·filing 1996–2025
98Inventor score
Top patents by PatentIndex Score
48 records- 0195US6459549B1Hard disk drive with slider support structure and head gimbal assemblyIBM·Filed 2000·Granted Oct 1, 2002·84 cites·6 claims
- 0293US9728211B1Suspension pad for head-gimbal assembly that inhibits formation of an inter-pad solder bridgeHGST Netherlands BV·Filed 2016·Granted Aug 8, 2017·17 cites·20 claims
- 0391US9558768B1Suspension standoff geometry for slider crown change reductionHGST Netherlands BV·Filed 2015·Granted Jan 31, 2017·13 cites·8 claims
- 0491US8027128B2Suspension and disk driveHITACHI GLOBAL STORAGE TECH NL·Filed 2009·Granted Sep 27, 2011·15 cites·20 claims
- 0590US11062731B1Solder bump height stabilization for micro and fine pitch electrode padsWESTERN DIGITAL TECH INC·Filed 2020·Granted Jul 13, 2021·6 cites·14 claims
- 0689US8130470B2Suspension assembly including a limiter having a gross length larger than a between-coupling-portions distance between coupling portionsMURAKI TAKUMA·Filed 2007·Granted Mar 6, 2012·15 cites·19 claims
- 0787US7450347B2Head suspension with bridge portion separating apertures near lift tabHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Nov 11, 2008·12 cites·17 claims
- 0886US11410692B1Carriage assembly with asymmetrical swage bosses and associated methodsWESTERN DIGITAL TECH INC·Filed 2021·Granted Aug 9, 2022·2 cites·21 claims
- 0982US7583475B2Rotating disk storage device and integrated wire head suspension assemblyHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Sep 1, 2009·7 cites·17 claims
- 1081US7317595B2Suspension assembly and rotary disk storage deviceHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Jan 8, 2008·16 cites·25 claims
- 1180US11152024B1Piezoelectric-based microactuator arrangement for mitigating out-of-plane force and phase variation of flexure vibrationWESTERN DIGITAL TECH INC·Filed 2020·Granted Oct 19, 2021·2 cites·18 claims
- 1279US9129618B1Hard disk drive stepped load beamHGST Netherlands BV·Filed 2014·Granted Sep 8, 2015·4 cites·16 claims
- 1378US7460340B2Disk drive, and actuator and head actuator assemblyHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Dec 2, 2008·4 cites·16 claims
- 1478US2025308550A1Suspension load beam rail-based gimbal limiterWESTERN DIGITAL TECH INC·Filed 2025·Application pending·0 cites
- 1577US7583474B2Suspension and limiter mechanism for a data storage deviceHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Sep 1, 2009·4 cites·20 claims
- 1677US6871392B2Method of constructing an integrated lead suspensionHITACHI GLOBAL STORAGE TECH·Filed 2002·Granted Mar 29, 2005·15 cites·1 claims
- 1775US8102628B2Disk drive and head assembly having hole sequencesOTA RYOHEI·Filed 2007·Granted Jan 24, 2012·6 cites·9 claims
- 1874US7168154B2Method of constructing an integrated lead suspensionHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Jan 30, 2007·12 cites·1 claims
- 1972US6879465B2Integrated lead suspension and method of constructionHITACHI GLOBAL STORAGE TECH·Filed 2003·Granted Apr 12, 2005·11 cites·10 claims
- 2071US7417827B2Head/slider supporting structure having lead wire inclined relative to slider padHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Aug 26, 2008·5 cites·5 claims
- 2169US12380922B2Suspension load beam rail-based gimbal limiterWESTERN DIGITAL TECH INC·Filed 2023·Granted Aug 5, 2025·0 cites·10 claims
- 2269US7953300B2Image apparatus and captured image recording methodSONY CORP·Filed 2007·Granted May 31, 2011·2 cites·9 claims
- 2369US2025182783A1Multi-layer load beam flexure for magnetic storage deviceWESTERN DIGITAL TECH INC·Filed 2025·Application pending·0 cites
- 2467US7486484B2Arm chamfer for comb type actuator in rotating disk storage device and carriage assemblyHITACHI GLOBAL STORAGE TECH·Filed 2005·Granted Feb 3, 2009·1 cites·17 claims
- 2565US12272387B2Multi-layer load beam flexure for magnetic storage deviceWESTERN DIGITAL TECH INC·Filed 2023·Granted Apr 8, 2025·0 cites·20 claims
- 2665US11646055B1Carriage assembly with asymmetrical swage bosses and associated methodsWESTERN DIGITAL TECH INC·Filed 2022·Granted May 9, 2023·0 cites·22 claims
- 2765US9183861B1Hard disk drive suspension dimpleHGST Netherlands BV·Filed 2014·Granted Nov 10, 2015·1 cites·10 claims
- 2864US5777826ALoad beam for supporting a transducer head in a disk driveIBM·Filed 1996·Granted Jul 7, 1998·17 cites·9 claims
- 2958US7769085B2Image data processing device and methodSONY CORP·Filed 2003·Granted Aug 3, 2010·3 cites·24 claims
- 3057US6989969B2Integrated lead suspension and method of constructionHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Jan 24, 2006·4 cites·1 claims
- 3157US6985335B2Integrated lead suspension and method of constructionHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Jan 10, 2006·4 cites·3 claims
- 3256US8213128B2Head-gimbal assembly including piezoelectric elements affixed to a deformable plate having a hole therein and affixed to a base plate wherein the base plate has projection members on front edges thereofSOGA EIJI·Filed 2010·Granted Jul 3, 2012·1 cites·20 claims
- 3356US6801401B2Magnetic head device and lead wireHITACHI GLOBAL STORAGE TECH·Filed 2001·Granted Oct 5, 2004·4 cites·11 claims
- 3454US7137189B2Method of constructing an integrated lead suspensionHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Nov 21, 2006·3 cites·1 claims
- 3554US5896245AStructure in a disk drive system for attaching a load beam to a head actuator carriage including a mountplate having side ends surrounding a swage holeIBM·Filed 1996·Granted Apr 20, 1999·11 cites·7 claims
- 3653US11393497B2Restriction of suspension dimple contact pointWESTERN DIGITAL TECH INC·Filed 2021·Granted Jul 19, 2022·0 cites·19 claims
- 3753US2011096438A1Head-gimbal assembly with trace configured to reduce stress on a microactuator and disk drive including the head-gimbal assemblyTAKADA SHIGENORI·Filed 2009·Application pending·0 cites
- 3851US6633456B1Suspension, head suspension assembly, and disk drive apparatusIBM·Filed 1999·Granted Oct 14, 2003·10 cites·8 claims
- 3950US11631426B1Hard disk drive suspension pad peel-prevention configurationWESTERN DIGITAL TECH INC·Filed 2021·Granted Apr 18, 2023·0 cites·20 claims
- 4050US7137188B2Method of constructing an integrated lead suspensionHITACHI GLOBAL STORAGE TECH·Filed 2004·Granted Nov 21, 2006·2 cites·8 claims
- 4150US6553647B1Method of wiring a head suspension assemblyIBM·Filed 2000·Granted Apr 29, 2003·5 cites·2 claims
- 4248US6466409B1Negative pressure slider with temperature-insensitive flying height for disk storage deviceIBM·Filed 1998·Granted Oct 15, 2002·16 cites·10 claims
- 4347US6780257B2Iron component and a manufacturing method thereforIBM JAPAN·Filed 2002·Granted Aug 24, 2004·1 cites·6 claims
- 4446US6052259AHead support arm having conductive wires of a disk drive deviceIBM·Filed 1998·Granted Apr 18, 2000·7 cites·12 claims
- 4545US11232811B2Offset swage baseplate for stacked assemblyWESTERN DIGITAL TECH INC·Filed 2020·Granted Jan 25, 2022·0 cites·12 claims
- 4644US2006153538A1Image data processing device and methodHIMENO TAKUJI·Filed 2003·Application pending·0 cites
- 4736US2012140360A1Integrated lead suspension (ils) for use with a dual stage actuator (dsa)CONTRERAS JOHN·Filed 2010·Application pending·0 cites
- 4831US2011013319A1Disk drive with micro-actuator interconnect conditioningSOGA EIJI·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →