Inventor
SUBRAMANIAN CHITRA K
US42 patents
⚠️ This page may combine multiple inventors who share the name “SUBRAMANIAN CHITRA K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MOTOROLA INC
17 patentsUS6297095B1Oct 2, 2001
Memory device that includes passivated nanoclusters and method for manufacture
MOTOROLA INC284 citations99
US6600690B1Jul 29, 2003
Sense amplifier for a memory having at least two distinct resistance states
MOTOROLA INC91 citations98
US6413819B1Jul 2, 2002
Memory device and method for using prefabricated isolated storage elements
MOTOROLA INC128 citations98
US5665202ASep 9, 1997
Multi-step planarization process using polishing at two different pad pressures
MOTOROLA INC103 citations97
US5824579AOct 20, 1998
Method of forming shared contact structure
MOTOROLA INC29 citations93
US5668021ASep 16, 1997
Process for fabricating a semiconductor device having a segmented channel region
MOTOROLA INC46 citations93
US6711052B2Mar 23, 2004
Memory having a precharge circuit and method therefor
MOTOROLA INC26 citations92
US6711068B2Mar 23, 2004
Balanced load memory and method of operation
MOTOROLA INC38 citations92
US6693824B2Feb 17, 2004
Circuit and method of writing a toggle memory
MOTOROLA INC23 citations92
US6667899B1Dec 23, 2003
Magnetic memory and method of bi-directional write current programming
MOTOROLA INC35 citations92
US6657889B1Dec 2, 2003
Memory having write current ramp rate control
MOTOROLA INC46 citations92
US6621729B1Sep 16, 2003
Sense amplifier incorporating a symmetric midpoint reference
MOTOROLA INC41 citations92
US5958508ASep 28, 1999
Process for forming a semiconductor device
MOTOROLA INC29 citations90
US6714440B2Mar 30, 2004
Memory architecture with write circuitry and method therefor
MOTOROLA INC19 citations84
US6744663B2Jun 1, 2004
Circuit and method for reading a toggle memory cell
MOTOROLA INC19 citations83
US6738303B1May 18, 2004
Technique for sensing the state of a magneto-resistive random access memory
MOTOROLA INC10 citations74
US6580298B1Jun 17, 2003
Three input sense amplifier and method of operation
MOTOROLA INC8 citations74
EVERSPIN TECHNOLOGIES INC
12 patentsUS9697879B2Jul 4, 2017
Memory device with shared read/write circuitry
EVERSPIN TECHNOLOGIES INC7 citations84
US9530476B2Dec 27, 2016
Memory device with shared read/write circuitry
EVERSPIN TECHNOLOGIES INC5 citations84
US9336849B2May 10, 2016
Memory device with shared read/write circuitry
EVERSPIN TECHNOLOGIES INC8 citations84
US9336848B2May 10, 2016
Memory device with differential bit cells
EVERSPIN TECHNOLOGIES INC5 citations84
US7543211B2Jun 2, 2009
Toggle memory burst
EVERSPIN TECHNOLOGIES INC9 citations84
US7532533B2May 12, 2009
Antifuse circuit and method for selectively programming thereof
EVERSPIN TECHNOLOGIES INC14 citations84
US10020041B1Jul 10, 2018
Self-referenced sense amplifier with precharge
EVERSPIN TECHNOLOGIES INC2 citations73
US9569640B2Feb 14, 2017
Tamper detection and response in a memory device
EVERSPIN TECHNOLOGIES INC2 citations73
US9135970B2Sep 15, 2015
Tamper detection and response in a memory device
EVERSPIN TECHNOLOGIES INC4 citations73
US9111622B2Aug 18, 2015
Self referencing sense amplifier for spin torque MRAM
EVERSPIN TECHNOLOGIES INC5 citations73
US9552863B1Jan 24, 2017
Memory device with sampled resistance controlled write voltages
EVERSPIN TECHNOLOGIES INC6 citations71
US10657065B2May 19, 2020
Delayed write-back in memory
EVERSPIN TECHNOLOGIES INC1 citations59
FREESCALE SEMICONDUCTOR INC
8 patentsUS6944052B2Sep 13, 2005
Magnetoresistive random access memory (MRAM) cell having a diode with asymmetrical characteristics
FREESCALE SEMICONDUCTOR INC104 citations98
US7224630B2May 29, 2007
Antifuse circuit
FREESCALE SEMICONDUCTOR INC17 citations93
US6903964B2Jun 7, 2005
MRAM architecture with electrically isolated read and write circuitry
FREESCALE SEMICONDUCTOR INC27 citations92
US6760266B2Jul 6, 2004
Sense amplifier and method for performing a read operation in a MRAM
FREESCALE SEMICONDUCTOR INC28 citations92
US7206223B1Apr 17, 2007
MRAM memory with residual write field reset
FREESCALE SEMICONDUCTOR INC10 citations80
US6859388B1Feb 22, 2005
Circuit for write field disturbance cancellation in an MRAM and method of operation
FREESCALE SEMICONDUCTOR INC7 citations74
US6842365B1Jan 11, 2005
Write driver for a magnetoresistive memory
FREESCALE SEMICONDUCTOR INC9 citations73
US7154772B2Dec 26, 2006
MRAM architecture with electrically isolated read and write circuitry
FREESCALE SEMICONDUCTOR INC1 citations52
PURDUE RESEARCH FOUNDATION
2 patentsUS5494837AFeb 27, 1996
Method of forming semiconductor-on-insulator electronic devices by growing monocrystalline semiconducting regions from trench sidewalls
PURDUE RESEARCH FOUNDATION90 citations96
US5481126AJan 2, 1996
Semiconductor-on-insulator electronic devices having trench isolated monocrystalline active regions
PURDUE RESEARCH FOUNDATION26 citations92