Inventor
GREEFF ROY E
US38 patents
⚠️ This page may combine multiple inventors who share the name “GREEFF ROY E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MICRON TECHNOLOGY INC
30 patentsUS7245145B2Jul 17, 2007
Memory module and method having improved signal routing topology
MICRON TECHNOLOGY INC31 citations96
US11386004B2Jul 12, 2022
Memory device interface and method
MICRON TECHNOLOGY INC12 citations94
US9948300B1Apr 17, 2018
Apparatuses and methods for partial bit de-emphasis
MICRON TECHNOLOGY INC19 citations94
US7282947B2Oct 16, 2007
Memory module and method having improved signal routing topology
MICRON TECHNOLOGY INC12 citations93
US7242213B2Jul 10, 2007
Memory module and method having improved signal routing topology
MICRON TECHNOLOGY INC15 citations93
US7444559B2Oct 28, 2008
Generation of memory test patterns for DLL calibration
MICRON TECHNOLOGY INC22 citations91
US10365833B2Jul 30, 2019
Apparatuses and methods for encoding and decoding of signal lines for multi-level communication architectures
MICRON TECHNOLOGY INC5 citations84
US7965532B2Jun 21, 2011
Enhanced performance memory systems and methods
MICRON TECHNOLOGY INC7 citations84
US7577212B2Aug 18, 2009
Method and system for generating reference voltages for signal receivers
MICRON TECHNOLOGY INC9 citations84
US9196321B2Nov 24, 2015
On-die termination apparatuses and methods
MICRON TECHNOLOGY INC9 citations82
US11797229B2Oct 24, 2023
Multiple register clock driver loaded memory subsystem
MICRON TECHNOLOGY INC2 citations73
US11675728B2Jun 13, 2023
Configuring multiple register clock drivers of a memory subsystem
MICRON TECHNOLOGY INC3 citations73
US11468931B2Oct 11, 2022
Memory subsystem register clock driver clock teeing
MICRON TECHNOLOGY INC4 citations73
US11106367B2Aug 31, 2021
Apparatuses and methods for encoding and decoding of signal lines for multi-level communication architectures
MICRON TECHNOLOGY INC1 citations73
US10340913B2Jul 2, 2019
Apparatuses and methods for partial bit de-emphasis
MICRON TECHNOLOGY INC2 citations73
US10128843B2Nov 13, 2018
Apparatuses and methods for partial bit de-emphasis
MICRON TECHNOLOGY INC3 citations73
US10339075B2Jul 2, 2019
Clock tree structure in a memory system
MICRON TECHNOLOGY INC2 citations72
US7557601B2Jul 7, 2009
Memory module and method having improved signal routing topology
MICRON TECHNOLOGY INC3 citations63
US12388050B2Aug 12, 2025
Apparatuses and methods for coupling a plurality of semiconductor devices
MICRON TECHNOLOGY INC0 citations62
US12277056B2Apr 15, 2025
Memory device interface and method
MICRON TECHNOLOGY INC0 citations62
US12189996B2Jan 7, 2025
Multiple register clock driver loaded memory subsystem
MICRON TECHNOLOGY INC0 citations62
US11984428B2May 14, 2024
Apparatuses and methods for coupling a plurality of semiconductor devices
MICRON TECHNOLOGY INC0 citations62
US11862294B2Jan 2, 2024
Memory subsystem register clock driver clock teeing
MICRON TECHNOLOGY INC0 citations62
US11837580B2Dec 5, 2023
Apparatuses and methods for coupling a plurality of semiconductor devices
MICRON TECHNOLOGY INC0 citations62
US11809715B2Nov 7, 2023
Apparatuses and methods for encoding and decoding of signal lines for multi-level communication architectures
MICRON TECHNOLOGY INC0 citations62
US11626145B2Apr 11, 2023
Apparatuses and methods for pulse response smearing of transmitted signals
MICRON TECHNOLOGY INC0 citations62
US11527508B2Dec 13, 2022
Apparatuses and methods for coupling a plurality of semiconductor devices
MICRON TECHNOLOGY INC0 citations62
US11409595B2Aug 9, 2022
Channel modulation for a memory device
MICRON TECHNOLOGY INC0 citations62
US9154131B2Oct 6, 2015
Enhanced performance memory systems and methods
MICRON TECHNOLOGY INC0 citations52
US7746959B2Jun 29, 2010
Method and system for generating reference voltages for signal receivers
MICRON TECHNOLOGY INC1 citations52
UNISYS CORP
3 patentsUS5568521AOct 22, 1996
Phase lock indicator circuit for a high frequency recovery loop
UNISYS CORP34 citations91
US5485484AJan 16, 1996
Digitally implemented phase and lock indicators for a bit synchronizer
UNISYS CORP29 citations91
US5210509AMay 11, 1993
Dual loop phase locked circuit with sweep generator and compensation for drift
UNISYS CORP19 citations69