Inventor · disambiguated record
Xizeng Shi
Also filed as: SHI XIZENG · SHI XIZENG STONE
53 granted patents·5,498 citations·filing 1996–2016
99Inventor score
Files withWESTERN DIGITAL FREMONT INC20HEADWAY TECHNOLOGIES INC8READ RITE CORP8MAGIC TECHNOLOGIES INC5APPLIED SPINTRONICS INC4
Top patents by PatentIndex Score
53 records- 0199US7007372B1Method for making high speed, high areal density inductive write structureWESTERN DIGITAL FREMONT INC·Filed 2003·Granted Mar 7, 2006·153 cites·20 claims
- 0299US6809899B1Magnetic heads for perpendicular recording with trapezoidal pole tipsWESTERN DIGITAL FREMONT INC·Filed 2003·Granted Oct 26, 2004·266 cites·25 claims
- 0399US6468436B1Method and system for providing a magnetoresistive head having higher efficiencyREAD RITE CORP·Filed 2000·Granted Oct 22, 2002·148 cites·6 claims
- 0498US6906894B2Write head having a recessed, magnetic adjunct pole formed atop a main pole, and method of making the sameWESTERN DIGITAL FREMONT INC·Filed 2004·Granted Jun 14, 2005·166 cites·19 claims
- 0598US6803615B1Magnetic tunnel junction MRAM with improved stabilityWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Oct 12, 2004·188 cites·47 claims
- 0698US6791793B1Perpendicular recording write head having a recessed magnetic adjunct pole and method of making the sameWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Sep 14, 2004·193 cites·20 claims
- 0798US6785955B1Method for providing pedestal-defined zero throat writerWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Sep 7, 2004·151 cites·6 claims
- 0898US6747301B1Spin dependent tunneling barriers formed with a magnetic alloyWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Jun 8, 2004·159 cites·37 claims
- 0998US6721138B1Inductive transducer with stitched pole tip and pedestal defining zero throat heightWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Apr 13, 2004·187 cites·18 claims
- 1098US6713801B1α-tantalum lead for use with magnetic tunneling junctionsWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Mar 30, 2004·157 cites·12 claims
- 1198US6707083B1Magnetic tunneling junction with improved power consumptionWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Mar 16, 2004·177 cites·17 claims
- 1298US6697294B1Designs of reference cells for magnetic tunnel junction (MTJ) MRAMWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Feb 24, 2004·241 cites·26 claims
- 1398US6639291B1Spin dependent tunneling barriers doped with magnetic particlesWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Oct 28, 2003·179 cites·30 claims
- 1498US6618223B1High speed, high areal density inductive writerREAD RITE CORP·Filed 2000·Granted Sep 9, 2003·163 cites·18 claims
- 1598US6418048B1Spin-dependent tunneling sensor suitable for a magnetic memoryREAD RITE CORP·Filed 2001·Granted Jul 9, 2002·213 cites·15 claims
- 1697US10203379B2GMR biosensor with enhanced sensitivityHEADWAY TECH INC·Filed 2016·Granted Feb 12, 2019·12 cites·4 claims
- 1797US6888184B1Shielded magnetic ram cellsWESTERN DIGITAL FREMONT INC·Filed 2002·Granted May 3, 2005·162 cites·10 claims
- 1897US6834010B1Temperature dependent write current source for magnetic tunnel junction MRAMWESTERN DIGITAL FREMONT INC·Filed 2003·Granted Dec 21, 2004·155 cites·21 claims
- 1997US6744608B1Method and system for making TMR junctionsWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Jun 1, 2004·168 cites·12 claims
- 2097US6721203B1Designs of reference cells for magnetic tunnel junction (MTJ) MRAMWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Apr 13, 2004·165 cites·41 claims
- 2197US6687178B1Temperature dependent write current source for magnetic tunnel junction MRAMWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Feb 3, 2004·167 cites·16 claims
- 2297US6683763B1Method and system for providing a self-aligned electrical contact for a TMR elementWESTERN DIGITAL FREMONT INC·Filed 2001·Granted Jan 27, 2004·149 cites·6 claims
- 2397US6512690B1High sensitivity common source amplifier MRAM cell, memory array and read/write schemeREAD RITE CORP·Filed 2001·Granted Jan 28, 2003·177 cites·16 claims
- 2497US6137661ASystem for providing a magnetoresistive head having higher efficiencyREAD RITE CORP·Filed 1998·Granted Oct 24, 2000·154 cites·4 claims
- 2596US7110289B1Method and system for controlling MRAM write current to reduce power consumptionST MICROELECTRONICS SRL·Filed 2004·Granted Sep 19, 2006·154 cites·8 claims
- 2696US6680863B1MRAM memory array having merged word linesWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Jan 20, 2004·159 cites·12 claims
- 2796US6552928B1Read-write control circuit for magnetic tunnel junction MRAMREAD RITE CORP·Filed 2001·Granted Apr 22, 2003·164 cites·53 claims
- 2896US6317297B1Current pinned dual spin valve with synthetic pinned layersREAD RITE CORP·Filed 1999·Granted Nov 13, 2001·186 cites·12 claims
- 2995US8728825B2GMR sensor stripe for a biosensor with enhanced sensitivityWANG PO-KANG·Filed 2012·Granted May 20, 2014·15 cites·5 claims
- 3095US5986978ARead/write head and method for magnetic reading and magneto-optical writing on a data storage mediumREAD RITE CORP·Filed 1998·Granted Nov 16, 1999·116 cites·61 claims
- 3192US7067330B2Magnetic random access memory array with thin conduction electrical read and write linesAPPLIED SPINTRONICS INC·Filed 2004·Granted Jun 27, 2006·48 cites·10 claims
- 3292US6829160B1Magnetic ram cell with amplification circuitry and MRAM memory array formed using the MRAM cellsWESTERN DIGITAL FREMONT INC·Filed 2002·Granted Dec 7, 2004·156 cites·9 claims
- 3391US7184302B2Highly efficient segmented word line MRAM arrayAPPLIED SPINTRONICS INC·Filed 2005·Granted Feb 27, 2007·28 cites·20 claims
- 3491US7067866B2MRAM architecture and a method and system for fabricating MRAM memories utilizing the architectureAPPLIED SPINTRONICS TECH INC·Filed 2003·Granted Jun 27, 2006·71 cites·18 claims
- 3591US5719730ALow fringe-field and narrow write-track magneto-resistive (MR) magnetic read-write headHEADWAY TECHNOLOGIES INC·Filed 1996·Granted Feb 17, 1998·83 cites·20 claims
- 3690US7499314B2Reference cell scheme for MRAMMAGIC TECHNOLOGIES INC·Filed 2007·Granted Mar 3, 2009·21 cites·8 claims
- 3789US7211874B2Magnetic random access memory array with free layer locking mechanismAPPLIED SPINTRONICS INC·Filed 2004·Granted May 1, 2007·45 cites·15 claims
- 3886US7362644B2Configurable MRAM and method of configurationMAGIC TECHNOLOGIES INC·Filed 2005·Granted Apr 22, 2008·17 cites·33 claims
- 3985US7321507B2Reference cell scheme for MRAMMAGIC TECHNOLOGIES INC·Filed 2005·Granted Jan 22, 2008·14 cites·67 claims
- 4085US5684658AHigh track density dual stripe magnetoresistive (DSMR) headHEADWAY TECHNOLOGIES INC·Filed 1996·Granted Nov 4, 1997·46 cites·16 claims
- 4184US7009266B2Method and system for providing a magnetic element including passivation structuresHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Mar 7, 2006·37 cites·12 claims
- 4283US7480172B2Programming scheme for segmented word line MRAM arrayMAGIC TECHNOLOGIES INC·Filed 2006·Granted Jan 20, 2009·15 cites·25 claims
- 4380US7613868B2Method and system for optimizing the number of word line segments in a segmented MRAM arrayHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Nov 3, 2009·28 cites·10 claims
- 4474US8133439B2GMR biosensor with enhanced sensitivityWANG PO-KANG·Filed 2006·Granted Mar 13, 2012·5 cites·7 claims
- 4574US7977111B2Devices using addressable magnetic tunnel junction array to detect magnetic particlesMAGIC TECHNOLOGIES INC·Filed 2008·Granted Jul 12, 2011·7 cites·42 claims
- 4672US6977838B1Method and system for providing a programmable current source for a magnetic memoryHEADWAY TECHNOLOGIES·Filed 2004·Granted Dec 20, 2005·20 cites·17 claims
- 4766US7394123B2Magnetic random access memory array with thin conduction electrical read and write linesHEADWAY TECHNOLOGIES INC·Filed 2006·Granted Jul 1, 2008·2 cites·12 claims
- 4862US7443707B2Magnetic random access memory array with free layer locking mechanism and method of its useHEADWAY TECHNOLOGIES INC·Filed 2007·Granted Oct 28, 2008·4 cites·2 claims
- 4956US7394122B2Magnetic random access memory array with thin conduction electrical read and write linesHEADWAY TECHNOLOGIES INC·Filed 2004·Granted Jul 1, 2008·3 cites·12 claims
- 5053US9429544B2GMR biosensor with enhanced sensitivityWANG PO-KANG·Filed 2012·Granted Aug 30, 2016·0 cites·4 claims
Showing the top 50 of 53 patent records by PatentIndex Score.
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