Inventor · disambiguated record
Lifeng Yang
Also filed as: YANG LIFENG
103 granted patents·5 pending applications·645 citations·filing 1997–2024
99Inventor score
Top patents by PatentIndex Score
108 records- 0198US9735962B1Three layer key wrapping for securing encryption keys in a data storage systemEMC CORP·Filed 2015·Granted Aug 15, 2017·58 cites·14 claims
- 0297US10146459B1Disk activity balancing in mapped raid storage arrays by data remappingEMC IP HOLDING CO LLC·Filed 2017·Granted Dec 4, 2018·26 cites·19 claims
- 0396US10810123B1Flush strategy for using DRAM as cache media system and methodEMC IP HOLDING CO LLC·Filed 2017·Granted Oct 20, 2020·23 cites·20 claims
- 0496US6519537B1Apparatus providing on-line indication of frequency of an AC electric power systemEATON CORP·Filed 2000·Granted Feb 11, 2003·83 cites·15 claims
- 0594US10852966B1System and method for creating mapped RAID group during expansion of extent poolEMC IP HOLDING CO LLC·Filed 2017·Granted Dec 1, 2020·14 cites·9 claims
- 0694US10521137B1Storage device array integration of dual-port NVMe device with DRAM cache and hostside portion of software stack system and methodEMC IP HOLDING CO LLC·Filed 2017·Granted Dec 31, 2019·13 cites·14 claims
- 0793US10445295B1Task-based framework for synchronization of event handling between nodes in an active/active data storage systemEMC IP HOLDING CO LLC·Filed 2017·Granted Oct 15, 2019·12 cites·20 claims
- 0892US10620850B1Caching techniques duplicating dirty data in secondary cacheEMC IP HOLDING CO LLC·Filed 2016·Granted Apr 14, 2020·10 cites·20 claims
- 0991US10545668B2Method and apparatus for data copyEMC IP HOLDING CO LLC·Filed 2017·Granted Jan 28, 2020·6 cites·12 claims
- 1090US11216340B2Adaptive change of redundancy level of raidEMC IP HOLDING CO LLC·Filed 2020·Granted Jan 4, 2022·3 cites·23 claims
- 1190US10635348B2Storage system and method for storage controlEMC IP HOLDING CO LLC·Filed 2017·Granted Apr 28, 2020·6 cites·21 claims
- 1290US10496333B2System and method for end to end QoS solution for data storage systemsEMC IP HOLDING CO LLC·Filed 2018·Granted Dec 3, 2019·8 cites·12 claims
- 1390US10061717B1Storing multiple encryption keys to protect data at restEMC CORP·Filed 2016·Granted Aug 28, 2018·7 cites·19 claims
- 1490US9933952B1Balancing allocated cache pages among storage devices in a flash cacheEMC CORP·Filed 2016·Granted Apr 3, 2018·7 cites·17 claims
- 1589US10812584B2Methods, devices and computer readable mediums for data synchronizationEMC IP HOLDING CO LLC·Filed 2018·Granted Oct 20, 2020·6 cites·22 claims
- 1689US10346220B2Method and system for locking storage area in storage systemEMC IP HOLDING CO LLC·Filed 2017·Granted Jul 9, 2019·6 cites·15 claims
- 1789US5796258AAdaptive quadrilateral characteristic distance relayABB POWER T & D CO·Filed 1997·Granted Aug 18, 1998·81 cites·22 claims
- 1889US5773980AOne-terminal fault location system that corrects for fault resistance effectsABB POWER T & D CO·Filed 1997·Granted Jun 30, 1998·77 cites·12 claims
- 1988US11048416B2Method, apparatus and computer program product for managing storage systemEMC IP HOLDING CO LLC·Filed 2018·Granted Jun 29, 2021·5 cites·17 claims
- 2088US10949314B2Method and apparatus for failure recovery of storage deviceEMC IP HOLDING CO LLC·Filed 2019·Granted Mar 16, 2021·5 cites·20 claims
- 2188US9880764B1Flash disk cache management for increased virtual LUN availabilityEMC CORP·Filed 2016·Granted Jan 30, 2018·6 cites·22 claims
- 2287US10372349B2Method and apparatus for facilitating wear leveling of solid state diskEMC IP HOLDING CO LLC·Filed 2016·Granted Aug 6, 2019·5 cites·18 claims
- 2387US10289306B1Data storage system with core-affined thread processing of data movement requestsEMC IP HOLDING CO LLC·Filed 2018·Granted May 14, 2019·5 cites·20 claims
- 2486US10761761B2Method and device for managing storage systemEMC IP HOLDING CO LLC·Filed 2018·Granted Sep 1, 2020·4 cites·20 claims
- 2585US11775226B2Methods and devices for writing data into a degraded array using a persistent cacheEMC IP HOLDING CO LLC·Filed 2018·Granted Oct 3, 2023·4 cites·12 claims
- 2685US10417137B2Flushing pages from solid-state storage deviceEMC IP HOLDING CO LLC·Filed 2017·Granted Sep 17, 2019·3 cites·20 claims
- 2785US10402104B2Devices and methods for a data storage deviceEMC IP HOLDING CO LLC·Filed 2016·Granted Sep 3, 2019·4 cites·20 claims
- 2885US10372384B2Method and system for managing storage system using first and second communication areasEMC IP HOLDING CO LLC·Filed 2017·Granted Aug 6, 2019·4 cites·20 claims
- 2984US10705931B2Methods, devices and computer readable mediums for managing storage systemEMC IP HOLDING CO LLC·Filed 2018·Granted Jul 7, 2020·3 cites·21 claims
- 3083US11010083B2Method and device of managing storage systemEMC IP HOLDING CO LLC·Filed 2018·Granted May 18, 2021·3 cites·13 claims
- 3182US10860494B2Flushing pages from solid-state storage deviceEMC IP HOLDING CO LLC·Filed 2019·Granted Dec 8, 2020·2 cites·20 claims
- 3282US10613770B2Method and apparatus for controlling access to a disk arrayEMC IP HOLDING CO LLC·Filed 2016·Granted Apr 7, 2020·3 cites·23 claims
- 3382US10339021B2Method and apparatus for operating hybrid storage devicesEMC IP HOLDING CO LLC·Filed 2016·Granted Jul 2, 2019·3 cites·4 claims
- 3480US10936499B2Method, device and computer programme product for storage managementEMC IP HOLDING CO LLC·Filed 2019·Granted Mar 2, 2021·2 cites·23 claims
- 3580US10740245B2Method, device and computer program product for cache managementEMC IP HOLDING CO LLC·Filed 2018·Granted Aug 11, 2020·2 cites·20 claims
- 3680US10740241B2Method and devices for managing cacheEMC IP HOLDING CO LLC·Filed 2018·Granted Aug 11, 2020·2 cites·17 claims
- 3779US11288210B2Method, device and computer program product for managing storage systemEMC IP HOLDING CO LLC·Filed 2019·Granted Mar 29, 2022·2 cites·31 claims
- 3879US11099955B2Method and device for rebuilding raidEMC IP HOLDING CO LLC·Filed 2020·Granted Aug 24, 2021·1 cites·14 claims
- 3979US11061585B1Integration of NVMe device with DRAM cache system and methodEMC IP HOLDING CO LLC·Filed 2017·Granted Jul 13, 2021·3 cites·20 claims
- 4079US11048414B2Method and apparatus for managing data accessEMC IP HOLDING CO LLC·Filed 2020·Granted Jun 29, 2021·1 cites·20 claims
- 4179US10860481B2Data recovery method, data recovery system, and computer program productEMC IP HOLDING CO LLC·Filed 2019·Granted Dec 8, 2020·2 cites·34 claims
- 4279US10838626B2Methods, apparatuses, and computer program products for controlling write requests in storage systemEMC IP HOLDING CO LLC·Filed 2019·Granted Nov 17, 2020·2 cites·24 claims
- 4379US10761989B2Method of storage management, storage system and computer program productEMC IP HOLDING CO LLC·Filed 2018·Granted Sep 1, 2020·2 cites·20 claims
- 4479US10592366B2Method and device for rebuilding RAIDEMC IP HOLDING CO LLC·Filed 2017·Granted Mar 17, 2020·2 cites·18 claims
- 4578US11093410B2Cache management method, storage system and computer program productEMC IP HOLDING CO LLC·Filed 2018·Granted Aug 17, 2021·2 cites·18 claims
- 4678US11074187B2Method, apparatus and computer program product for managing address in storage systemEMC IP HOLDING CO LLC·Filed 2019·Granted Jul 27, 2021·2 cites·23 claims
- 4777US11269726B2Method and device for managing storage systemEMC IP HOLDING CO LLC·Filed 2018·Granted Mar 8, 2022·2 cites·20 claims
- 4877US11157172B2Method for managing storage devices, electronic device and computer-readable mediumEMC IP HOLDING CO LLC·Filed 2020·Granted Oct 26, 2021·1 cites·18 claims
- 4977US10860496B2Method, apparatus and computer readable medium for building multi-tier flash cache by using spare flash drives and clean user data is flushed from main flash cache to one of the spare flash drives that only stores the clean user data, wherein the main flash cache is configured as one or more pairs of flash drives and the one of the spare flash drives is allocated as single drive to secondary flash cacheEMC IP Holding Company·Filed 2018·Granted Dec 8, 2020·2 cites·17 claims
- 5077US10387308B2Method and apparatus for online reducing caching devicesEMC IP HOLDING CO LLC·Filed 2016·Granted Aug 20, 2019·2 cites·19 claims
Showing the top 50 of 108 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →