Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Srikumar Rangarajan — 21 Patents

Microsoft: 21 patents #1,596 of 40,388Top 4%
Sammamish, WA: #237 of 2,558 inventorsTop 10%
Washington: #4,391 of 76,902 inventorsTop 6%
Overall (All Time): #201,324 of 4,157,543Top 5%
21 Patents All Time
Srikumar Rangarajan has been granted 21 US patents while listed as an inventor at Microsoft. The first was granted in 2004 and the most recent in June 2025. Srikumar Rangarajan ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Srikumar Rangarajan in Sammamish, WA, US.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12326874 Data visibility for nested transactions in distributed systems Sarvesh Singh, Alan Dale Halverson, Sandeep Lingam 2025-06-10
12222914 Versioned metadata using virtual databases Hari Krishna Sunder, Sandeep Lingam, Donald Cha 2025-02-11
12079205 Snapshot isolation query transactions in distributed systems Sarvesh Singh, Xianfei DENG, Hari Krishna Sunder, Sandeep Lingam 2024-09-03 $243,844,000
11914613 Data visibility for nested transactions in distributed systems Sarvesh Singh, Alan Dale Halverson, Sandeep Lingam 2024-02-27 $420,678,000
11625389 Snapshot isolation query transactions in distributed systems Sarvesh Singh, Hari Krishna Sunder, Steven John Lindell, Sandeep Lingam 2023-04-11 $337,710,000
11567921 Rowgroup consolidation with global delta accumulation and versioning in distributed systems Rishabh Singh Ahluwalia, Tianhui Shi, Steven John Lindell, Sandeep Lingam 2023-01-31 $254,377,000
10860556 Scalable index build techniques for column stores Artem Oks, Qingqing Zhou, Aleksandras Surna, Wey-Yi Guy, Cipri Clinciu +1 more 2020-12-08 $111,297,000
10496621 Columnar storage of a database index Artem Oks, Per-Ake Larson, Michael James Zwilling, Jose A. Blakeley, Hanumantha Rao Kodavalla 2019-12-03 $60,713,000
10216777 Scalable index build techniques for column stores Artem Oks, Qingqing Zhou, Aleksandras Surna, Wey-Yi Guy, Cipri Clinciu +1 more 2019-02-26 $52,330,000
9582467 Normalizing data for fast superscalar processing Aleksandras Surna, Erik Ismert, Nimish S. Khanolkar 2017-02-28 $30,997,000
9547674 Normalizing data for fast superscalar processing Aleksandras Surna, Erik Ismert, Nimish S. Khanolkar 2017-01-17 $57,646,000
9547677 Scalable index build techniques for column stores Artem Oks, Qingqing Zhou, Aleksandras Surna, Wey-Yi Guy, Cipri Clinciu +1 more 2017-01-17 $57,646,000
9195657 Columnar storage of a database index Artem Oks, Per-Ake Larson, Michael James Zwilling, Jose A. Blakeley, Hanumantha Rao Kodavalla 2015-11-24 $64,457,000
8990216 Scalable index build techniques for column stores Artem Oks, Qingqing Zhou, Aleksandras Surna, Wey-Yi Guy, Cipri Clinciu +1 more 2015-03-24 $16,695,000
8631039 Normalizing data for fast superscalar processing Aleksandras Surna, Erik Ismert, Nimish S. Khanolkar 2014-01-14 $40,580,000
8548986 Adaptive row-batch processing of database data Aleksandras Surna, Per-Ake Larson 2013-10-01 $29,148,000
8176021 Optimized reverse key indexes Hanumantha Rao Kodavalla, Pravin Mittal 2012-05-08 $25,243,000
8027955 Database management using a file to accumulate changes Gang He 2011-09-27 $24,701,000
7873672 Efficient query processing of DML SQL statements Stefano Stefani, Marcel van der Holst 2011-01-18 $19,360,000
7702637 Systems and methods for fragment-based serialization F. Soner Terek, Ajay Kalhan, Nagavamsi Ponnekanti, Michael James Zwilling 2010-04-20 $23,763,000
6778977 Method and system for creating a database table index using multiple processors Srikanth R. Avadhanam, Milind M. Joshi, Ajay Kalhan, Tsvi M. Reiter 2004-08-17 $87,900,000