Inventor

Per-Ake Larson

Inventor

Redmond, WA, US

Overview

2000–2021

Patent span

Physics

Primary field (CPC G)

Patents· 62 as inventor

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

G06Fprimary

G06FElectric digital data processing81%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%

H04LTransmission of digital information, e.g. telegraphic communication1%

PatentTitleYear

11,113,260Transactional access to records on secondary storage in an in-memory database2021 11,106,541System and method for replicating data in distributed database systems2021 11,048,691In-memory database system2021 11,010,354Distributed transaction management2021 10,915,403Versioned records management using restart era2021 10,783,009Systems and methods for dynamically switching synchronization strategies for accessing data structures2020 10,761,936Versioned records management using restart era2020 10,726,047Early thread return with secondary event writes2020 10,725,983Systems and methods for database management using append-only storage devices2020 10,664,362Recovery processing for database in persistent system2020 10,599,485Index structure using atomic multiword update operations2020 10,496,621Columnar storage of a database index2019 10,430,298Versatile in-memory database recovery using logical log records2019 10,387,274Tail of logs in persistent main memory2019 10,331,649Transactional access to records on secondary storage in an in-memory database2019 10,296,615In-memory database system2019 10,296,418Versioned records management using restart era2019 10,261,869Transaction processing using torn write detection2019 10,140,150Thread diversion awaiting log call return2018 10,133,800Processing datasets with a DBMS engine2018 10,114,837Distributed transaction management2018 10,055,449In-memory database system2018 10,055,442Efficient updates in non-clustered column stores2018 9,965,538Early thread return with secondary event writes2018 9,952,931Versioned records management using restart era2018 9,892,146'Classification of data in main memory database systems'2018 9,830,350In-memory database system2017 9,747,174'Tail of logs in persistent main memory'2017 9,727,594'Adaptive range filters for range and point queries'2017 9,519,551'Recovery processing for database in persistent system'2016 9,514,174'Classification of data in main memory database systems'2016 9,477,557'Transaction processing using torn write detection'2016 9,436,561'Recovery processing using torn write detection'2016 9,417,974'Transaction processing for database in persistent system'2016 9,251,214'In-memory database system'2016 9,195,657'Columnar storage of a database index'2015 9,075,841'Distributed transaction management for database systems with multiversioning'2015 9,053,003'Memory compaction mechanism for main memory databases'2015 8,812,555'Dynamic lock-free hash tables'2014 8,560,523'View matching of materialized XML views'2013 8,548,986'Adaptive row-batch processing of database data'2013 8,407,195'Efficient multi-version locking for main memory databases'2013 8,396,831'Optimistic serializable snapshot isolation'2013 8,356,007'Distributed transaction management for database systems with multiversioning'2013 8,140,495'Asynchronous database index maintenance'2012 8,032,522'Optimizing parameterized queries in a relational database management system'2011 7,739,262'Enforcing currency and consistency constraints in database query processing'2010 7,693,820'Use of materialized transient views in query optimization'2010 7,680,767'Mapping architecture with incremental view maintenance'2010 7,599,925'Using query expression signatures in view matching'2009 7,593,926'Partial pre-aggregation in relational database queries'2009 7,555,473'Partial pre-aggregation in relational database queries'2009 7,467,128'Maintenance of materialized outer-join views'2008 7,406,468'View matching for materialized outer-join views'2008 7,383,256'System and method for optimizing queries using materialized views and fast view matching'2008 7,200,675'Summary-based routing for content-based event distribution networks'2007 7,133,858'Partial pre-aggregation in relational database queries'2006 6,850,933'System and method for optimizing queries using materialized views and fast view matching'2005 6,578,131'Scaleable hash table for shared-memory multiprocessor system'2003 6,571,244'Run formation in large scale sorting using batched replacement selection'2003 6,115,705'Relational database system and method for query processing using early aggregation'2000 6,105,024'System for memory management during run formation for external sorting in database system'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2019Patents assigned to MICROSOFT CORP (28)· patent assignee history

2000–2021Based in Redmond, WA, US· patent location history

2012–2016Patents assigned to LARSON PER-AKE (11)· patent assignee history

2013–2019Patents assigned to DIACONU CRISTIAN (5)· patent assignee history

2015–2021Patents assigned to MICROSOFT TECHNOLOGY LICENSING LLC (35)· patent assignee history

2020–2021Patents assigned to HUAWEI TECH CO LTD (3)· patent assignee history

2020–2021Based in Etobicoke, CA· patent location history

2020Based in Toronto, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MICROSOFT TECHNOLOGY LICENSING LLC	35	2015–2021
MICROSOFT CORP	28	2000–2019
LARSON PER-AKEself	11	2012–2016
DIACONU CRISTIAN	5	2013–2019
HUAWEI TECH CO LTD	3	2020–2021

Locations

Location	Patents	Span
Redmond, Washington, US	58	2000–2021
Etobicoke, CA	3	2020–2021
Toronto, CA	1	2020