Inventor · disambiguated record
Yih-Jen D. Chen
Also filed as: CHEN YIH-JEN · CHEN YIH-JEN D · CHEN YIH-JEN DENNIS
30 granted patents·2 pending applications·1,112 citations·filing 1996–2016
98Inventor score
Files withWESTERN DIGITAL TECH INC22ZHANG YIDUO4MC DONNELL DOUGLAS HELICOPTER3CHEN YIH-JEN D1MAXTOR CORP1
Top patents by PatentIndex Score
32 records- 0198US8665566B1Suspension tail design for a head gimbal assembly of a hard disk drivePAN TZONG-SHII·Filed 2011·Granted Mar 4, 2014·55 cites·11 claims
- 0298US7567410B1Flexure including a heat sink and a dielectric layer under trace termination padsWESTERN DIGITAL TECH INC·Filed 2006·Granted Jul 28, 2009·115 cites·15 claims
- 0397US8274760B1Suspension assembly including a flexure tail with staggered rows of aperturesZHANG YIDUO·Filed 2012·Granted Sep 25, 2012·50 cites·3 claims
- 0497US8194354B1Suspension assembly including a flexure tail with staggered rows of aperturesZHANG YIDUO·Filed 2008·Granted Jun 5, 2012·51 cites·4 claims
- 0597US8064168B1Head stack assembly with flexure tail retention featuresZHANG YIDUO·Filed 2007·Granted Nov 22, 2011·60 cites·7 claims
- 0697US7898770B1Disk drive suspension assembly with a hinge arm attached at a recessed surfaceWESTERN DIGITAL TECH INC·Filed 2010·Granted Mar 1, 2011·58 cites·20 claims
- 0796US8780504B1Disk drive head suspension assembly with load beam inner rails between piezo actuator elementsWESTERN DIGITAL TECH INC·Filed 2013·Granted Jul 15, 2014·48 cites·24 claims
- 0896US8760812B1Disk drive head gimbal assembly having a jumper in a flexible printed circuit overlap regionWESTERN DIGITAL TECH INC·Filed 2013·Granted Jun 24, 2014·50 cites·16 claims
- 0996US8276256B1Head stack assembly method using flexure tail raised regionZHANG YIDUO·Filed 2011·Granted Oct 2, 2012·54 cites·13 claims
- 1095US8797691B1Disk drive head suspension with a single piezoelectric element adhered to rotary-actuated and non-actuated portions of a structural layer of a tongue of a laminated flexureWESTERN DIGITAL TECH INC·Filed 2013·Granted Aug 5, 2014·39 cites·20 claims
- 1195US7477489B1Actuator including an actuator arm with a first microactuator supporting a read head and a force-balancing microactuator without any read headWESTERN DIGITAL TECH INC·Filed 2006·Granted Jan 13, 2009·53 cites·10 claims
- 1295US7193819B1Method of assembling a disk drive including actuating a shipping comb to bend a suspension vertically to facilitate a merge toolWESTERN DIGITAL TECH INC·Filed 2003·Granted Mar 20, 2007·58 cites·5 claims
- 1394US8756776B1Method for manufacturing a disk drive microactuator that includes a piezoelectric element and a peripheral encapsulation layerCHEN YIH-JEN D·Filed 2009·Granted Jun 24, 2014·46 cites·5 claims
- 1494US6972924B1Disk drive attenuating excitation of arm vibration mode by simultaneously driving secondary actuator for non-active headWESTERN DIGITAL TECH INC·Filed 2004·Granted Dec 6, 2005·67 cites·16 claims
- 1592US8976491B1Disk drive head suspension distal non-op shock limiter with branched armsWESTERN DIGITAL TECH INC·Filed 2013·Granted Mar 10, 2015·20 cites·13 claims
- 1692US7595963B1Head gimbal assembly including a flexure with a first conductive trace disposed between a slider and a dielectric layerWESTERN DIGITAL TECH INC·Filed 2006·Granted Sep 29, 2009·54 cites·14 claims
- 1792US6967800B1Disk drive suspension assembly including a base plate with mass reduction openings at distal cornersWESTERN DIGITAL TECH INC·Filed 2003·Granted Nov 22, 2005·53 cites·12 claims
- 1890US6977790B1Design scheme to increase the gain of strain based sensors in hard disk drive actuatorsMAXTOR CORP·Filed 2002·Granted Dec 20, 2005·46 cites·34 claims
- 1989US9330695B1Disk drive head suspension tail with a noble metal layer disposed on a plurality of structural backing islandsWESTERN DIGITAL TECH INC·Filed 2015·Granted May 3, 2016·9 cites·13 claims
- 2089US8982513B1Disk drive head suspension with dual piezoelectric elements adhered to rotary-actuated and non-actuated portions of a structural layer of a tongue of a laminated flexureWESTERN DIGITAL TECH INC·Filed 2013·Granted Mar 17, 2015·12 cites·20 claims
- 2184US8995094B1Disk drive head suspension with a dual dimple and a flexure tongue with a piezoelectric microactuatorWESTERN DIGITAL TECH INC·Filed 2014·Granted Mar 31, 2015·6 cites·22 claims
- 2281US9165580B2Disk drive head suspension tail with stiffened edge alignment featuresWESTERN DIGITAL TECH INC·Filed 2014·Granted Oct 20, 2015·5 cites·15 claims
- 2380US9324344B1Disk drive head suspension tail with ground pad outside of bonding regionWESTERN DIGITAL TECH INC·Filed 2014·Granted Apr 26, 2016·4 cites·7 claims
- 2478US5802918AConcentric face gear transmission assemblyMC DONNELL DOUGLAS HELICOPTER·Filed 1996·Granted Sep 8, 1998·42 cites·25 claims
- 2576US9524738B1Disk drive head gimbal assembly having a flexure tail with a dielectric layer that has regions of lesser thicknessWESTERN DIGITAL TECH INC·Filed 2015·Granted Dec 20, 2016·4 cites·20 claims
- 2673US9530439B2Disk drive head suspension tail with stiffened edge alignment featuresWESTERN DIGITAL TECH INC·Filed 2015·Granted Dec 27, 2016·2 cites·5 claims
- 2767US6146253AApparatus and method for precision grinding face gearMC DONNELL DOUGLAS HELICOPTER·Filed 1997·Granted Nov 14, 2000·30 cites·25 claims
- 2865US5862706AShaft deflection controllerMC DONNELL DOUGLAS HELICOPTER·Filed 1996·Granted Jan 26, 1999·21 cites·34 claims
- 2956US9379311B1Apparatus for manufacturing piezoelectric actuatorsWESTERN DIGITAL TECH INC·Filed 2014·Granted Jun 28, 2016·0 cites·13 claims
- 3051US2016300590A1Method for manufacturing a disk drive microactuator that includes a piezoelectric element and a peripheral encapsulation layerWESTERN DIGITAL TECH INC·Filed 2016·Application pending·0 cites
- 3147US9881640B2Disk drive head suspension tail with a noble metal layer disposed on a plurality of structural backing islandsWESTERN DIGITAL TECH INC·Filed 2016·Granted Jan 30, 2018·0 cites·7 claims
- 3245US2016217814A1Disk drive head suspension tail with ground pad outside of bonding regionWESTERN DIGITAL TECH INC·Filed 2016·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Yih-Jen D. Chen files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →