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USPTO Patent Rankings Data through Dec 31, 2025
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Per-Ake Larson — 69 Patents

Microsoft: 59 patents #242 of 40,388Top 1%
Huawei: 10 patents #1,396 of 15,535Top 9%
Mississauga, CA: #24 of 3,799 inventorsTop 1%
Overall (All Time): #29,979 of 4,157,543Top 1%
69 Patents All Time
Per-Ake Larson has been granted 69 US patents while listed as an inventor at Microsoft. The first was granted in 2000 and the most recent in October 2025. Per-Ake Larson ranks #29,979 of 4,157,543 US inventors in our database (top 0.72%). Patent records list Per-Ake Larson in Mississauga, ON, CA.

Issued Patents All Time

Showing 1–25 of 69 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12450233 Method of incorporating bloom filter into cost-based bottom-up query optimization and computing device Qi Cheng, Timothy James ZEYL, Chenchu Chen 2025-10-21
12380086 Method and apparatus for fine-grained hierarchical locking in a multi-master database system Jack Hon Wai Ng, Alexandre Depoutovitch, Chong Chen 2025-08-05
11921684 Systems and methods for database management using append-only storage devices Alexandre Depoutovitch 2024-03-05
11843663 Vector-scalar logical clock and associated method, apparatus and system Alexandre Depoutovitch, Jack Hon Wai Ng, Chong Chen 2023-12-12
11681456 Compaction policies for append-only stores Alexandre Depoutovitch 2023-06-20
11640383 Systems and methods for managing a shared database Xun Xue, Chong Chen, Robin D. Grosman 2023-05-02
11461296 Systems and methods for database management using append-only storage devices Alexandre Depoutovitch 2022-10-04
11113260 Transactional access to records on secondary storage in an in-memory database Justin Levandoski, Ahmed Eldawy 2021-09-07 $230,668,000
11106541 System and method for replicating data in distributed database systems Alexandre Depoutovitch, Chong Chen 2021-08-31
11048691 In-memory database system Cristian Diaconu, Craig Steven Freedman, Michael James Zwilling 2021-06-29 $257,930,000
11010354 Distributed transaction management Michael James Zwilling, Cristian Diaconu 2021-05-18 $149,958,000
10915403 Versioned records management using restart era Robert Patrick Fitzgerald, Cristian Diaconu 2021-02-09 $275,728,000
10783009 Systems and methods for dynamically switching synchronization strategies for accessing data structures Alexandre Depoutovitch, Cong Guo 2020-09-22
10761936 Versioned records management using restart era Robert Patrick Fitzgerald, Cristian Diaconu 2020-09-01 $133,035,000
10726047 Early thread return with secondary event writes Robert Patrick Fitzgerald, Michael James Zwilling, Cristian Diaconu 2020-07-28 $115,702,000
10725983 Systems and methods for database management using append-only storage devices Alexandre Depoutovitch 2020-07-28
10664362 Recovery processing for database in persistent system Robert Patrick Fitzgerald, Cristian Diaconu, Michael James Zwilling 2020-05-26 $85,749,000
10599485 Index structure using atomic multiword update operations Justin Levandoski, Umar F. Minhas, Tianzheng Wang, Joy James Prabhu Arulraj 2020-03-24 $62,609,000
10496621 Columnar storage of a database index Artem Oks, Srikumar Rangarajan, Michael James Zwilling, Jose A. Blakeley, Hanumantha Rao Kodavalla 2019-12-03 $60,713,000
10430298 Versatile in-memory database recovery using logical log records Mike Zwilling, Cristian Diaconu 2019-10-01 $68,983,000
10387274 Tail of logs in persistent main memory Robert Patrick Fitzgerald, Michael James Zwilling, Cristian Diaconu 2019-08-20 $63,531,000
10331649 Transactional access to records on secondary storage in an in-memory database Justin Levandoski, Ahmed Eldawy 2019-06-25 $55,928,000
10296615 In-memory database system Cristian Diaconu, Craig Steven Freedman, Michael James Zwilling 2019-05-21 $71,387,000
10296418 Versioned records management using restart era Robert Patrick Fitzgerald, Cristian Diaconu 2019-05-21 $71,387,000
10261869 Transaction processing using torn write detection Robert Patrick Fitzgerald, Cristian Diaconu, Michael James Zwilling 2019-04-16 $47,495,000