Inventor · disambiguated record
Po-Kang Wang
Also filed as: WANG PO K · WANG PO-KANG
151 granted patents·5 pending applications·2,976 citations·filing 1988–2022
99Inventor score
Files withHEADWAY TECHNOLOGIES INC49MAGIC TECHNOLOGIES INC24IBM17TAIWAN SEMICONDUCTOR MFG CO LTD15HEADWAY TECH INC12
Top patents by PatentIndex Score
156 records- 0198US10014465B1Maintaining coercive field after high temperature anneal for magnetic device applications with perpendicular magnetic anisotropyHEADWAY TECH INC·Filed 2017·Granted Jul 3, 2018·22 cites·13 claims
- 0298US9966529B1MgO insertion into free layer for magnetic memory applicationsHEADWAY TECH INC·Filed 2017·Granted May 8, 2018·19 cites·13 claims
- 0398US9780299B2Multilayer structure for reducing film roughness in magnetic devicesHEADWAY TECH INC·Filed 2015·Granted Oct 3, 2017·11 cites·19 claims
- 0498US9466319B1Perpendicular magnetic recording (PMR) write shield design with minimized wide adjacent track erasure (WATE)HEADWAY TECH INC·Filed 2015·Granted Oct 11, 2016·87 cites·24 claims
- 0598US8138561B2Structure and method to fabricate high performance MTJ devices for spin-transfer torque (STT)-RAMHORNG CHENG T·Filed 2008·Granted Mar 20, 2012·58 cites·10 claims
- 0698US7391594B2Apparatus for providing an additional ground pad and electrical connection for grounding a magnetic recording headSAE MAGNETICS HK LTD·Filed 2006·Granted Jun 24, 2008·46 cites·4 claims
- 0797US10203379B2GMR biosensor with enhanced sensitivityHEADWAY TECH INC·Filed 2016·Granted Feb 12, 2019·12 cites·4 claims
- 0897US7283337B2Abutted exchange bias design for sensor stabilizationHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Oct 16, 2007·44 cites·20 claims
- 0997US7105372B2Magnetic tunneling junction film structure with process determined in-plane magnetic anisotropyHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Sep 12, 2006·65 cites·14 claims
- 1097US5018037AMagnetoresistive read transducer having hard magnetic biasKROUNBI MOHAMAD T·Filed 1989·Granted May 21, 1991·178 cites·6 claims
- 1196US10193062B2MgO insertion into free layer for magnetic memory applicationsHEADWAY TECH INC·Filed 2018·Granted Jan 29, 2019·7 cites·37 claims
- 1296US7995425B2Power control of TAMR element during read/write transitionHEADWAY TECHNOLOGIES INC·Filed 2009·Granted Aug 9, 2011·30 cites·4 claims
- 1396US7852662B2Spin-torque MRAM: spin-RAM, arrayMAGIC TECHNOLOGIES INC·Filed 2007·Granted Dec 14, 2010·56 cites·35 claims
- 1496US7394247B1Magnetic field angle sensor with GMR or MTJ elementsMAGIC TECHNOLOGIES INC·Filed 2007·Granted Jul 1, 2008·40 cites·37 claims
- 1596US7345911B2Multi-state thermally assisted storageMAGIC TECHNOLOGIES INC·Filed 2006·Granted Mar 18, 2008·50 cites·17 claims
- 1696US7122386B1Method of fabricating contact pad for magnetic random access memoryMAGIC TECHNOLOGIES INC·Filed 2005·Granted Oct 17, 2006·40 cites·20 claims
- 1796US5343422ANonvolatile magnetoresistive storage device using spin valve effectIBM·Filed 1993·Granted Aug 30, 1994·154 cites·15 claims
- 1896US5005096AMagnetoresistive read transducer having hard magnetic shunt biasIBM·Filed 1988·Granted Apr 2, 1991·75 cites·15 claims
- 1995US9842988B2Magnetic tunnel junction with low defect rate after high temperature anneal for magnetic device applicationsHEADWAY TECH INC·Filed 2015·Granted Dec 12, 2017·6 cites·11 claims
- 2095US8728825B2GMR sensor stripe for a biosensor with enhanced sensitivityWANG PO-KANG·Filed 2012·Granted May 20, 2014·15 cites·5 claims
- 2195US7486545B2Thermally assisted integrated MRAM design and process for its manufactureMAGIC TECHNOLOGIES INC·Filed 2005·Granted Feb 3, 2009·45 cites·21 claims
- 2295US5452165AClose packed magnetic head linear arrayIBM·Filed 1994·Granted Sep 19, 1995·78 cites·23 claims
- 2395US5079663AMagnetoresistive sensor with track following capabilityIBM·Filed 1990·Granted Jan 7, 1992·78 cites·13 claims
- 2494US10658577B2Maintaining coercive field after high temperature anneal for magnetic device applications with perpendicular magnetic anisotropyTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2019·Granted May 19, 2020·3 cites·20 claims
- 2594US7064928B2Method and apparatus for providing an additional ground pad and electrical connection for grounding a magnetic recording headSAE MAGNETICS HK LTD·Filed 2003·Granted Jun 20, 2006·62 cites·20 claims
- 2693US9805816B2Implementation of a one time programmable memory using a MRAM stack designHEADWAY TECH INC·Filed 2016·Granted Oct 31, 2017·15 cites·52 claims
- 2793US7635974B2Magnetic tunnel junction (MTJ) based magnetic field angle sensorMAGIC TECHNOLOGIES INC·Filed 2007·Granted Dec 22, 2009·25 cites·84 claims
- 2893US5768055AMagnetic recording head having a carbon overcoat array on slider air bearings surfacesSAE MAGNETICS HK LTD·Filed 1996·Granted Jun 16, 1998·103 cites·17 claims
- 2992US10763428B2Magnetic tunnel junction with low defect rate after high temperature anneal for magnetic device applicationsTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2017·Granted Sep 1, 2020·3 cites·17 claims
- 3092US8693273B2Reference averaging for MRAM sense amplifiersYUH PERNG-FEI·Filed 2012·Granted Apr 8, 2014·25 cites·18 claims
- 3192US5283942ASacrificial layer planarization process for fabricating a narrow thin film inductive headIBM·Filed 1992·Granted Feb 8, 1994·77 cites·22 claims
- 3291US10102896B2Adaptive reference scheme for magnetic memory applicationsHEADWAY TECH INC·Filed 2017·Granted Oct 16, 2018·10 cites·20 claims
- 3391US8184399B2Magnetic write head with thin and thick portions for balancing writability and ateWU YAN·Filed 2010·Granted May 22, 2012·17 cites·27 claims
- 3491US7275304B2Method of forming a hard bias structure in a magnetic headHEADWAY TECHNOLOGIES INC·Filed 2005·Granted Oct 2, 2007·12 cites·19 claims
- 3591US7184302B2Highly efficient segmented word line MRAM arrayAPPLIED SPINTRONICS INC·Filed 2005·Granted Feb 27, 2007·28 cites·20 claims
- 3691US6943040B2Magnetic random access memory designs with controlled magnetic switching mechanism by magnetostatic couplingHEADWAY TECHNOLOGES INC·Filed 2003·Granted Sep 13, 2005·42 cites·3 claims
- 3791US5285339AMagnetoresistive read transducer having improved bias profileIBM·Filed 1992·Granted Feb 8, 1994·55 cites·19 claims
- 3891US5079035AMethod of making a magnetoresistive read transducer having hard magnetic biasIBM·Filed 1990·Granted Jan 7, 1992·67 cites·11 claims
- 3990US7499314B2Reference cell scheme for MRAMMAGIC TECHNOLOGIES INC·Filed 2007·Granted Mar 3, 2009·21 cites·8 claims
- 4090US6449131B2Canted longitudinal patterned exchange biased dual-stripe magnetoresistive (DSMR) sensor element and method for fabrication thereofHEADWAY TECHNOLOGIES INC·Filed 2001·Granted Sep 10, 2002·37 cites·6 claims
- 4190US5508867AMagnetoresistive sensor with flux keepered spin valve configurationIBM·Filed 1994·Granted Apr 16, 1996·75 cites·9 claims
- 4289US11696511B2Low resistance MgO capping layer for perpendicularly magnetized magnetic tunnel junctionsTAIWAN SEMICONDUCTOR MFG CO LTD·Filed 2020·Granted Jul 4, 2023·2 cites·20 claims
- 4389US7211874B2Magnetic random access memory array with free layer locking mechanismAPPLIED SPINTRONICS INC·Filed 2004·Granted May 1, 2007·45 cites·15 claims
- 4489US6383574B1Ion implantation method for fabricating magnetoresistive (MR) sensor elementHEADWAY TECHNOLOGIES INC·Filed 1999·Granted May 7, 2002·46 cites·6 claims
- 4589US6103136AMethod for forming a soft adjacent layer (SAL) magnetoresistive (MR) sensor element with transversely magnetically biased soft adjacent layer (SAL)HEADWAY TECHNOLOGIES INC·Filed 1998·Granted Aug 15, 2000·62 cites·8 claims
- 4689US5073833ADual sector servo system for disk file with separate read and write headsIBM·Filed 1989·Granted Dec 17, 1991·38 cites·20 claims
- 4788US8178363B2MRAM with storage layer and super-paramagnetic sensing layerWANG PO-KANG·Filed 2011·Granted May 15, 2012·6 cites·8 claims
- 4888US8039885B2MRAM with storage layer and super-paramagnetic sensing layerMAGIC TECHNOLOGIES INC·Filed 2010·Granted Oct 18, 2011·6 cites·13 claims
- 4988US7599158B2Side reading reduced GMR for high track densityHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Oct 6, 2009·6 cites·3 claims
- 5088US7483295B2MTJ sensor including domain stable free layerMAGIC TECHNOLOGIES INC·Filed 2007·Granted Jan 27, 2009·6 cites·16 claims
Showing the top 50 of 156 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →