Inventor

Philip N. Shilane

Inventor

Yardley, PA, US

Overview

2013–2021

Patent span

Physics

Primary field (CPC G)

Patents· 122 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G06Fprimary

G06FElectric digital data processing79%

H03MCoding8%

G11CStatic stores6%

H04LTransmission of digital information, e.g. telegraphic communication4%

H04NPictorial communication, e.g. television2%

G06KGraphical data reading1%

PatentTitleYear

11,113,199Low-overhead index for a flash cache2021 11,106,362Additive library for data structures in a flash memory2021 11,106,373Flash interface for processing dataset2021 11,106,586Systems and methods for rebuilding a cache index2021 11,093,397Container-based flash cache with a survival queue2021 11,070,620Efficient transfer to and from a deduplicated cloud storage system2021 11,068,390Scalable garbage collection for deduplicated storage2021 11,048,676Trees and graphs in flash memory2021 11,016,939Architecture for scalable metadata microservices orchestration2021 11,010,240Tracking status and restarting distributed replication2021 10,990,565System and method for average entropy calculation2021 10,956,388Eventual consistency in a deduplicated cloud storage system2021 10,936,204Managing lifespan of a flash memory2021 10,936,207Linked lists in flash memory2021 10,922,228Multiple location index2021 10,877,879Flash cache throttling to control erasures2020 10,872,037Estimating worker nodes needed for performing garbage collection operations2020 10,838,990System and method for improving data compression of a storage system using coarse and fine grained similarity2020 10,831,370Deduplicated and compressed non-volatile memory cache2020 10,817,475System and method for encoding-based deduplication2020 10,761,765Distributed object replication architecture2020 10,754,788Hash tables in flash memory2020 10,747,593Lock free container packing2020 10,733,158System and method for hash-based entropy calculation2020 10,691,613Caching algorithms for multiple caches2020 10,635,594Dynamically redistribute cache space based on time savings2020 10,592,420Dynamically redistribute cache space with min-max technique2020 10,585,746Tracking status and restarting distributed replication2020 10,585,610Locking data structures with locking structures in flash memory by setting bits in the locking structures2020 10,534,674Scalable, persistent, high performance and crash resilient metadata microservice2020 10,521,123Additive library for data structures in a flash memory2019 10,509,675Dynamic allocation of worker nodes for distributed replication2019 10,509,769Method to efficiently track I/O access history2019 10,496,542Input/output patterns and data pre-fetch2019 10,467,102I/O score-based hybrid replication in a storage system2019 10,437,782State-based directing of segments in a multinode deduplicated storage system2019 10,430,273Cache based recovery of corrupted or missing data2019 10,430,337Reducing index operations in a cache2019 10,353,820Low-overhead index for a flash cache2019 10,353,607Bloom filters in a flash memory2019 10,331,561Systems and methods for rebuilding a cache index2019 10,318,201Flash interface for processing datasets2019 10,289,549Checkpointing cache status information2019 10,261,704Linked lists in flash memory2019 10,235,397Trees and graphs in flash memory2019 10,235,060Multilevel snapshot replication for hot and cold regions of a storage system2019 10,228,868Managing lifespan of a flash memory2019 10,216,754System and method for balancing compression and read performance in a storage system2019 10,210,087Reducing index operations in a cache2019 10,176,183Method and apparatus for reducing overheads of primary storage while transferring modified data2019 10,146,616Cache based recovery of corrupted or missing data2018 10,146,686Lock free container packing2018 10,146,438Additive library for data structures in a flash memory2018 10,140,039I/O alignment for continuous replication in a storage system2018 10,135,462Deduplication using sub-chunk fingerprints2018 10,089,025Bloom filters in a flash memory2018 10,078,598Maintaining a separate LRU linked list for each thread for multi-threaded access2018 10,055,351Low-overhead index for a flash cache2018 10,037,164Flash interface for processing datasets2018 10,007,809Fine-grained self-shredding data in a secure communication ecosystem2018 9,934,237Metadata optimization for network replication using representative of metadata batch2018 9,921,963'Method to decrease computation for cache eviction using deferred calculations'2018 9,892,044'Methods to efficiently implement coarse granularity cache eviction'2018 9,892,045'Methods to select segments of an evicted cache unit for reinsertion into the cache'2018 9,880,746'Method to increase random I/O performance with low memory overheads'2018 9,875,163Method for replicating data in a backup storage system using a cost function2018 9,875,182Lock free container packing2018 9,843,802'Method and system for dynamic compression module selection'2017 9,843,702'Method and system for dynamic compression module selection'2017 9,798,754'Method to efficiently track I/O access history using efficient memory data structures'2017 9,798,629'Predicting backup failures due to exceeding the backup window'2017 9,767,154'System and method for improving data compression of a storage system in an online manner'2017 9,727,573'Out-of core similarity matching'2017 9,720,835'Methods to efficiently implement coarse granularity cache eviction based on segment deletion hints'2017 9,690,802'Stream locality delta compression'2017 9,600,200'Method to extend SSD lifespan in caching applications by aggregating related content into large cache units'2017 9,571,698'Method and system for dynamic compression module selection'2017 9,529,731'Contention-free approximate LRU for multi-threaded access'2016 9,514,146'System and method for improving data compression of a storage system in an online manner'2016 9,471,245'Method and apparatus for transferring modified data efficiently'2016 9,460,025'Maintaining a separate LRU linked list for each thread for multi-threaded access'2016 9,436,292'Method for replicating data in a backup storage system using a cost function'2016 9,430,164'Memory efficient sanitization of a deduplicated storage system'2016 9,430,156'Method to increase random I/O performance with low memory overheads'2016 9,418,133'Data replication with delta compression'2016 9,411,815'System and method for improving data compression in a deduplicated storage system'2016 9,405,764'Method for cleaning a delta storage system'2016 9,400,610'Method for cleaning a delta storage system'2016 9,390,116'Insertion and eviction schemes for deduplicated cache system of a storage system'2016 9,367,557'System and method for improving data compression'2016 9,336,143'Indexing a deduplicated cache system by integrating fingerprints of underlying deduplicated storage system'2016 9,317,218'Memory efficient sanitization of a deduplicated storage system using a perfect hash function'2016 9,304,914'Deduplicated cache system of a storage system'2016 9,268,783'Preferential selection of candidates for delta compression'2016 9,262,434'Preferential selection of candidates for delta compression'2016 9,235,475'Metadata optimization for network replication using representative of metadata batch'2016 9,235,535'Method and apparatus for reducing overheads of primary storage by transferring modified data in an out-of-order manner'2016 9,189,402'Method for packing and storing cached data in deduplicated cache system of a storage system'2015 9,189,414'File indexing using an exclusion list of a deduplicated cache system of a storage system'2015 9,141,301'Method for cleaning a delta storage system'2015 9,128,823'Synthetic data generation for backups of block-based storage'2015 9,116,902'Preferential selection of candidates for delta compression'2015 9,110,964'Metadata optimization for network replication using differential encoding'2015 9,069,785'Stream locality delta compression'2015 9,026,740'Prefetch data needed in the near future for delta compression'2015 8,972,672'Method for cleaning a delta storage system'2015 8,935,446'Indexing architecture for deduplicated cache system of a storage system'2015 8,918,390'Preferential selection of candidates for delta compression'2014 8,914,338'Out-of-core similarity matching'2014 8,849,772'Data replication with delta compression'2014 8,825,653'Characterizing and modeling virtual synthetic backup workloads'2014 8,825,626'Method and system for detecting unwanted content of files'2014 8,756,249'Method and apparatus for efficiently searching data in a storage system'2014 8,751,448'State-based directing of segments in a multinode deduplicated storage system'2014 8,751,462'Delta compression after identity deduplication'2014 8,712,963'Method and apparatus for content-aware resizing of data chunks for replication'2014 8,712,978'Preferential selection of candidates for delta compression'2014 8,667,032'Efficient content meta-data collection and trace generation from deduplicated storage'2014 8,639,669'Method and apparatus for determining optimal chunk sizes of a deduplicated storage system'2014 8,631,052'Efficient content meta-data collection and trace generation from deduplicated storage'2014 8,484,356'System and method for allocating a storage unit for backup in a storage system with load balancing'2013 8,447,740'Stream locality delta compression'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2021Patents assigned to EMC CORP (70)· patent assignee history

2013–2018Patents assigned to SHILANE PHILIP N (21)· patent assignee history

2013–2017Patents assigned to DOUGLIS FREDERICK (13)· patent assignee history

2013–2021Based in Yardley, PA, US· patent location history

2013–2019Based in Morrisville, PA, US· patent location history

2014–2018Patents assigned to WALLACE GRANT R (11)· patent assignee history

2017–2021Patents assigned to EMC IP HOLDING CO LLC (76)· patent assignee history

2018–2021Based in Newtown, PA, US· patent location history

2018–2021Based in Newton, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EMC IP HOLDING CO LLC	76	2017–2021
EMC CORP	70	2013–2021
SHILANE PHILIP Nself	21	2013–2018
DOUGLIS FREDERICK	13	2013–2017
WALLACE GRANT R	11	2014–2018

Locations

Location	Patents	Span
Yardley, Pennsylvania, US	65	2013–2021
Newtown, Pennsylvania, US	42	2018–2021
Morrisville, Pennsylvania, US	8	2013–2019
Newton, Pennsylvania, US	7	2018–2021