Inventor
PARKINSON WARD
US80 patents
⚠️ This page may combine multiple inventors who share the name “PARKINSON WARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OVONYX INC
18 patentsUS7839674B2Nov 23, 2010
Programmable matrix array with chalcogenide material
OVONYX INC51 citations98
US7706178B2Apr 27, 2010
Programmable matrix array with phase-change material
OVONYX INC53 citations98
US7646630B2Jan 12, 2010
Programmable matrix array with chalcogenide material
OVONYX INC63 citations98
US7499315B2Mar 3, 2009
Programmable matrix array with chalcogenide material
OVONYX INC47 citations96
US7778064B2Aug 17, 2010
Accessing a phase change memory
OVONYX INC30 citations93
US7365355B2Apr 29, 2008
Programmable matrix array with phase-change material
OVONYX INC40 citations93
US6778420B2Aug 17, 2004
Method of operating programmable resistant element
OVONYX INC25 citations93
US7466584B1Dec 16, 2008
Method and apparatus for driving an electronic load
OVONYX INC47 citations92
US7391664B2Jun 24, 2008
Page mode access for non-volatile memory arrays
OVONYX INC29 citations92
US7990761B2Aug 2, 2011
Immunity of phase change material to disturb in the amorphous phase
OVONYX INC7 citations84
US7961495B2Jun 14, 2011
Programmable resistance memory with feedback control
OVONYX INC7 citations84
US7957207B2Jun 7, 2011
Programmable resistance memory with interface circuitry for providing read information to external circuitry for processing
OVONYX INC12 citations84
US7646626B2Jan 12, 2010
Page mode access for non-volatile memory arrays
OVONYX INC8 citations84
US6781860B2Aug 24, 2004
High voltage row and column driver for programmable resistance memory
OVONYX INC13 citations84
US8373151B2Feb 12, 2013
Write-once memory array including phase-change elements and threshold switch isolation
OVONYX INC4 citations74
US8379439B2Feb 19, 2013
Programmable matrix array with chalcogenide material
OVONYX INC4 citations63
US7983104B2Jul 19, 2011
Page mode access for non-volatile memory arrays
OVONYX INC2 citations63
US7838864B2Nov 23, 2010
Chalcogenide switch with laser recrystallized diode isolation device and use thereof in three dimensional memory arrays
OVONYX INC3 citations63
SANDISK TECHNOLOGIES LLC
12 patentsUS10545692B2Jan 28, 2020
Memory maintenance operations during refresh window
SANDISK TECHNOLOGIES LLC13 citations86
US10373682B2Aug 6, 2019
Write set operation for memory device with bit line capacitor drive
SANDISK TECHNOLOGIES LLC15 citations85
US11488662B2Nov 1, 2022
Concurrent multi-bit access in cross-point array
SANDISK TECHNOLOGIES LLC5 citations84
US10497438B2Dec 3, 2019
Cross-point memory array addressing
SANDISK TECHNOLOGIES LLC7 citations84
US11398262B1Jul 26, 2022
Forced current access with voltage clamping in cross-point array
SANDISK TECHNOLOGIES LLC5 citations83
US10311921B1Jun 4, 2019
Multiple-mode current sources for sense operations
SANDISK TECHNOLOGIES LLC15 citations83
US11222678B1Jan 11, 2022
MRAM cross-point memory with reversed MRAM element vertical orientation
SANDISK TECHNOLOGIES LLC6 citations74
US10885991B2Jan 5, 2021
Data rewrite during refresh window
SANDISK TECHNOLOGIES LLC6 citations73
US11972822B2Apr 30, 2024
Programmable ECC for MRAM mixed-read scheme
SANDISK TECHNOLOGIES LLC2 citations72
US11972787B2Apr 30, 2024
Cross-point array refresh scheme
SANDISK TECHNOLOGIES LLC2 citations72
US11386945B2Jul 12, 2022
Signal amplification in MRAM during reading, including a pair of complementary transistors connected to an array line
SANDISK TECHNOLOGIES LLC2 citations72
US10622063B2Apr 14, 2020
Phase change memory device with reduced read disturb and method of making the same
SANDISK TECHNOLOGIES LLC3 citations72
PARKINSON WARD
9 patentsUS8194433B2Jun 5, 2012
Method and apparatus for accessing a bidirectional memory
PARKINSON WARD31 citations92
US8223580B2Jul 17, 2012
Method and apparatus for decoding memory
PARKINSON WARD8 citations84
US8441836B2May 14, 2013
Sector array addressing for ECC management
PARKINSON WARD7 citations83
US8183565B2May 22, 2012
Programmable resistance memory array with dedicated test cell
PARKINSON WARD6 citations73
US9076521B2Jul 7, 2015
Method and apparatus for decoding memory
PARKINSON WARD1 citations63
US8755216B2Jun 17, 2014
Programmable resistance memory with feedback control
PARKINSON WARD2 citations63
US8716056B2May 6, 2014
Method for forming chalcogenide switch with crystallized thin film diode isolation
PARKINSON WARD1 citations63
US8203872B2Jun 19, 2012
Method and apparatus for accessing a multi-mode programmable resistance memory
PARKINSON WARD5 citations63
US8120943B2Feb 21, 2012
Accessing a phase change memory
PARKINSON WARD4 citations63
AVX CORP
3 patentsUS4454529AJun 12, 1984
Integrated circuit device having internal dampening for a plurality of power supplies
AVX CORP35 citations90
US4451845AMay 29, 1984
Lead frame device including ceramic encapsulated capacitor and IC chip
AVX CORP29 citations90
US4527185AJul 2, 1985
Integrated circuit device and subassembly
AVX CORP21 citations80
MICRON TECHNOLOGY INC
3 patentsUS5949737ASep 7, 1999
Memory device and method for reading data therefrom
MICRON TECHNOLOGY INC9 citations74
US5831927ANov 3, 1998
Memory device and method for reading data therefrom
MICRON TECHNOLOGY INC10 citations74
US5715208AFeb 3, 1998
Memory device and method for reading data therefrom
MICRON TECHNOLOGY INC8 citations74
HGST Netherlands BV
2 patentsHGST INC
1 patentST MICROELECTRONICS SRL
1 patentWESTERN DIGITAL TECH INC
1 patentShowing the top 50 of 80 patents by PatentIndex Score.