Inventor
ELLIS WAYNE FREDERICK
US35 patents
⚠️ This page may combine multiple inventors who share the name “ELLIS WAYNE FREDERICK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RAMBUS INC
14 patentsUS9563597B2Feb 7, 2017
High capacity memory systems with inter-rank skew tolerance
RAMBUS INC22 citations94
US10650872B2May 12, 2020
Memory component with multiple command/address sampling modes
RAMBUS INC5 citations84
US9818463B2Nov 14, 2017
Memory control component with inter-rank skew tolerance
RAMBUS INC8 citations84
US9390798B2Jul 12, 2016
1T-1R architecture for resistive random access memory
RAMBUS INC4 citations84
US9098209B2Aug 4, 2015
Communication via a memory interface
RAMBUS INC11 citations84
US11940857B2Mar 26, 2024
Multi-element memory device with power control for individual elements
RAMBUS INC4 citations83
US11531386B2Dec 20, 2022
Multi-element memory device with power control for individual elements
RAMBUS INC4 citations81
US10170170B2Jan 1, 2019
Memory control component with dynamic command/address signaling rate
RAMBUS INC2 citations73
US9824752B2Nov 21, 2017
1T-1R architecture for resistive random access memory
RAMBUS INC3 citations73
US9965012B2May 8, 2018
Multi-element memory device with power control for individual elements
RAMBUS INC2 citations70
US12597454B2Apr 7, 2026
Memory component timed by programmably-selected clock edge
RAMBUS INC0 citations62
US12332709B2Jun 17, 2025
Multi-element memory device with power for individual elements
RAMBUS INC0 citations60
US10209922B2Feb 19, 2019
Communication via a memory interface
RAMBUS INC0 citations52
US10698464B2Jun 30, 2020
Multi-element memory device with power control for individual elements
RAMBUS INC0 citations49
HEFEI RELIANCE MEMORY LTD
9 patentsUS10037801B2Jul 31, 2018
2T-1R architecture for resistive RAM
HEFEI RELIANCE MEMORY LTD14 citations92
US10783964B2Sep 22, 2020
1T-1R architecture for resistive random access memory
HEFEI RELIANCE MEMORY LTD5 citations84
US10622062B2Apr 14, 2020
2T-1R architecture for resistive ram
HEFEI RELIANCE MEMORY LTD5 citations84
US10388372B2Aug 20, 2019
1T-1R architecture for resistive random access memory
HEFEI RELIANCE MEMORY LTD7 citations84
US10199098B2Feb 5, 2019
2T-1R architecture for resistive RAM
HEFEI RELIANCE MEMORY LTD9 citations84
US11152062B2Oct 19, 2021
1T-1R architecture for resistive random access memory
HEFEI RELIANCE MEMORY LTD0 citations63
US11908515B2Feb 20, 2024
2T-1R architecture for resistive ram
HEFEI RELIANCE MEMORY LTD0 citations62
US11568929B2Jan 31, 2023
2T-1R architecture for resistive RAM
HEFEI RELIANCE MEMORY LTD0 citations62
US11081176B2Aug 3, 2021
2T-1R architecture for resistive RAM
HEFEI RELIANCE MEMORY LTD0 citations62
IBM
3 patentsUS5875470AFeb 23, 1999
Multi-port multiple-simultaneous-access DRAM chip
IBM140 citations97
US6731179B2May 4, 2004
System and method for measuring circuit performance degradation due to PFET negative bias temperature instability (NBTI)
IBM96 citations96
US5703823ADec 30, 1997
Memory device with programmable self-refreshing and testing methods therefore
IBM74 citations94
QIMONDA NORTH AMERICA CORP
3 patentsUS7694196B2Apr 6, 2010
Self-diagnostic scheme for detecting errors
QIMONDA NORTH AMERICA CORP21 citations92
US7721010B2May 18, 2010
Method and apparatus for implementing memory enabled systems using master-slave architecture
QIMONDA NORTH AMERICA CORP7 citations73
US7688665B2Mar 30, 2010
Structure to share internally generated voltages between chips in MCP
QIMONDA NORTH AMERICA CORP2 citations62
QIMONDA AG
3 patentsUS7975170B2Jul 5, 2011
Memory refresh system and method
QIMONDA AG16 citations83
US7882324B2Feb 1, 2011
Method and apparatus for synchronizing memory enabled systems with master-slave architecture
QIMONDA AG16 citations83
US7944047B2May 17, 2011
Method and structure of expanding, upgrading, or fixing multi-chip package
QIMONDA AG2 citations62