Inventor · disambiguated record
Eugene Chen
Also filed as: CHEN EUGENE · CHEN EUGENE Y · CHEN EUGENE YOUJUN
75 granted patents·3 pending applications·6,819 citations·filing 1995–2017
99Inventor score
Files withMOTOROLA INC39GRANDIS INC20CHEN EUGENE YOUJUN4FREESCALE SEMICONDUCTOR INC3SILICON MAGNETIC SYSTEMS3
Top patents by PatentIndex Score
78 records- 0199US7515457B2Current driven memory cells having enhanced current and enhanced current symmetryGRANDIS INC·Filed 2006·Granted Apr 7, 2009·224 cites·18 claims
- 0299US7489541B2Spin-transfer switching magnetic elements using ferrimagnets and magnetic memories using the magnetic elementsGRANDIS INC·Filed 2005·Granted Feb 10, 2009·157 cites·33 claims
- 0399US7286395B2Current driven switched magnetic storage cells having improved read and write margins and magnetic memories using such cellsGRANDIS INC·Filed 2005·Granted Oct 23, 2007·196 cites·40 claims
- 0499US7272034B1Current driven switching of magnetic storage cells utilizing spin transfer and magnetic memories using such cellsGRANDIS INC·Filed 2005·Granted Sep 18, 2007·243 cites·37 claims
- 0599US7272035B1Current driven switching of magnetic storage cells utilizing spin transfer and magnetic memories using such cellsGRANDIS INC·Filed 2005·Granted Sep 18, 2007·251 cites·11 claims
- 0699US6469926B1Magnetic element with an improved magnetoresistance ratio and fabricating method thereofMOTOROLA INC·Filed 2000·Granted Oct 22, 2002·179 cites·19 claims
- 0799US6211090B1Method of fabricating flux concentrating layer for use with magnetoresistive random access memoriesMOTOROLA INC·Filed 2000·Granted Apr 3, 2001·312 cites·20 claims
- 0898US8779538B2Magnetic tunneling junction seed, capping, and spacer layer materialsCHEN EUGENE YOUJUN·Filed 2012·Granted Jul 15, 2014·52 cites·23 claims
- 0998US7430135B2Current-switched spin-transfer magnetic devices with reduced spin-transfer switching current densityGRANDIS INC·Filed 2005·Granted Sep 30, 2008·218 cites·35 claims
- 1098US7345912B2Method and system for providing a magnetic memory structure utilizing spin transferGRANDIS INC·Filed 2006·Granted Mar 18, 2008·236 cites·17 claims
- 1198US6835423B2Method of fabricating a magnetic element with insulating veilsFREESCALE SEMICONDUCTOR INC·Filed 2003·Granted Dec 28, 2004·141 cites·10 claims
- 1298US6376260B1Magnetic element with improved field response and fabricating method thereofMOTOROLA INC·Filed 2001·Granted Apr 23, 2002·133 cites·19 claims
- 1398US6174737B1Magnetic random access memory and fabricating method thereofMOTOROLA INC·Filed 1999·Granted Jan 16, 2001·270 cites·7 claims
- 1498US5966323ALow switching field magnetoresistive tunneling junction for high density arraysMOTOROLA INC·Filed 1997·Granted Oct 12, 1999·242 cites·12 claims
- 1598US5940319AMagnetic random access memory and fabricating method thereofMOTOROLA INC·Filed 1998·Granted Aug 17, 1999·313 cites·11 claims
- 1697US7379327B2Current driven switching of magnetic storage cells utilizing spin transfer and magnetic memories using such cells having enhanced read and write marginsGRANDIS INC·Filed 2006·Granted May 27, 2008·243 cites·25 claims
- 1797US6016269AQuantum random address memory with magnetic readout and/or nano-memory elementsMOTOROLA INC·Filed 1998·Granted Jan 18, 2000·203 cites·17 claims
- 1897US5861328AMethod of fabricating GMR devicesMOTOROLA INC·Filed 1996·Granted Jan 19, 1999·227 cites·30 claims
- 1996US8456898B2Magnetic element having perpendicular anisotropy with enhanced efficiencyCHEN EUGENE YOUJUN·Filed 2011·Granted Jun 4, 2013·34 cites·42 claims
- 2096US8072800B2Magnetic element having perpendicular anisotropy with enhanced efficiencyCHEN EUGENE YOUJUN·Filed 2009·Granted Dec 6, 2011·54 cites·46 claims
- 2196US6153443AMethod of fabricating a magnetic random access memoryMOTOROLA INC·Filed 1998·Granted Nov 28, 2000·164 cites·22 claims
- 2296US5732016AMemory cell structure in a magnetic random access memory and a method for fabricating thereofMOTOROLA INC·Filed 1996·Granted Mar 24, 1998·167 cites·18 claims
- 2395US6205052B1Magnetic element with improved field response and fabricating method thereofMOTOROLA INC·Filed 1999·Granted Mar 20, 2001·96 cites·19 claims
- 2495US5659499AMagnetic memory and method thereforMOTOROLA INC·Filed 1995·Granted Aug 19, 1997·130 cites·3 claims
- 2594US7742328B2Method and system for providing spin transfer tunneling magnetic memories utilizing non-planar transistorsGRANDIS INC·Filed 2007·Granted Jun 22, 2010·42 cites·20 claims
- 2694US7663848B1Magnetic memories utilizing a magnetic element having an engineered free layerGRANDIS INC·Filed 2006·Granted Feb 16, 2010·31 cites·24 claims
- 2794US6365419B1High density MRAM cell arrayMOTOROLA INC·Filed 2000·Granted Apr 2, 2002·101 cites·27 claims
- 2894US5920500AMagnetic random access memory having stacked memory cells and fabrication method thereforMOTOROLA INC·Filed 1996·Granted Jul 6, 1999·114 cites·15 claims
- 2993US7916433B2Magnetic element utilizing free layer engineeringGRANDIS INC·Filed 2010·Granted Mar 29, 2011·12 cites·15 claims
- 3093US7760474B1Magnetic element utilizing free layer engineeringGRANDIS INC·Filed 2006·Granted Jul 20, 2010·23 cites·4 claims
- 3193US7205164B1Methods for fabricating magnetic cell junctions and a structure resulting and/or used for such methodsSILICON MAGNETIC SYSTEMS·Filed 2005·Granted Apr 17, 2007·35 cites·18 claims
- 3293US6544801B1Method of fabricating thermally stable MTJ cell and apparatusMOTOROLA INC·Filed 2000·Granted Apr 8, 2003·99 cites·50 claims
- 3393US5953248ALow switching field magnetic tunneling junction for high density arraysMOTOROLA INC·Filed 1998·Granted Sep 14, 1999·111 cites·12 claims
- 3493US5902690AStray magnetic shielding for a non-volatile MRAMMOTOROLA INC·Filed 1997·Granted May 11, 1999·149 cites·15 claims
- 3592US7859034B2Magnetic devices having oxide antiferromagnetic layer next to free ferromagnetic layerGRANDIS INC·Filed 2009·Granted Dec 28, 2010·24 cites·10 claims
- 3692US6750068B2Method of fabricating a magnetic element with an improved magnetoresistance ratio with an antiparallel top and bottom pinned ferromagnetic layerFREESCALE SEMICONDUCTOR INC·Filed 2002·Granted Jun 15, 2004·36 cites·5 claims
- 3792US6233172B1Magnetic element with dual magnetic states and fabrication method thereofMOTOROLA INC·Filed 1999·Granted May 15, 2001·205 cites·19 claims
- 3892US5917749AMRAM cell requiring low switching fieldMOTOROLA INC·Filed 1997·Granted Jun 29, 1999·94 cites·8 claims
- 3991US6292389B1Magnetic element with improved field response and fabricating method thereofMOTOROLA INC·Filed 1999·Granted Sep 18, 2001·167 cites·18 claims
- 4090US6165803AMagnetic random access memory and fabricating method thereofMOTOROLA INC·Filed 1999·Granted Dec 26, 2000·179 cites·18 claims
- 4190US5699293AMethod of operating a random access memory device having a plurality of pairs of memory cells as the memory deviceMOTOROLA INC·Filed 1996·Granted Dec 16, 1997·80 cites·15 claims
- 4289US8546896B2Magnetic tunneling junction elements having magnetic substructures(s) with a perpendicular anisotropy and memories using such magnetic elementsLOTTIS DANIEL·Filed 2010·Granted Oct 1, 2013·23 cites·37 claims
- 4389US6183859B1Low resistance MTJMOTOROLA INC·Filed 1998·Granted Feb 6, 2001·55 cites·20 claims
- 4489US5702831AFerromagnetic GMR materialMOTOROLA INC·Filed 1995·Granted Dec 30, 1997·45 cites·15 claims
- 4588US9029965B2Method and system for providing magnetic junctions having a thermally stable and easy to switch magnetic free layerSAMSUNG ELECTRONICS CO LTD·Filed 2013·Granted May 12, 2015·6 cites·20 claims
- 4688US6683815B1Magnetic memory cell and method for assigning tunable writing currentsSILICON MAGNETIC SYSTEMS·Filed 2002·Granted Jan 27, 2004·46 cites·21 claims
- 4788US5959880ALow aspect ratio magnetoresistive tunneling junctionMOTOROLA INC·Filed 1997·Granted Sep 28, 1999·72 cites·15 claims
- 4888US5748524AMRAM with pinned endsMOTOROLA INC·Filed 1996·Granted May 5, 1998·72 cites·16 claims
- 4987US7973349B2Magnetic device having multilayered free ferromagnetic layerGRANDIS INC·Filed 2006·Granted Jul 5, 2011·20 cites·31 claims
- 5087US5818316ANonvolatile programmable switchMOTOROLA INC·Filed 1997·Granted Oct 6, 1998·72 cites·22 claims
Showing the top 50 of 78 patent records by PatentIndex Score.
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