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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
RK

Ran Kalach — 42 Patents

Microsoft: 42 patents #474 of 40,388Top 2%
Bellevue, WA: #220 of 6,950 inventorsTop 4%
Washington: #1,518 of 76,902 inventorsTop 2%
Overall (All Time): #72,062 of 4,157,543Top 2%
42 Patents All Time
Ran Kalach has been granted 42 US patents while listed as an inventor at Microsoft. The first was granted in 2005 and the most recent in August 2025. Ran Kalach ranks #72,062 of 4,157,543 US inventors in our database (top 1.7%). Patent records list Ran Kalach in Bellevue, WA, US.

Patents per Year

Patents granted per year, 2005 to 2025Bar chart with a peak of 6 patents in 2015.peak 62005: 2 patents20052007: 1 patents2008: 4 patents20082009: 5 patents2010: 1 patents20102011: 2 patents2012: 2 patents20122013: 1 patents2014: 3 patents20142015: 6 patents2016: 3 patents20162017: 3 patents2018: 2 patents20182019: 3 patents2020: 1 patents20202021: 1 patents2023: 1 patents20232025: 1 patents2025

Issued Patents All Time

Showing 1–25 of 42 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
12386792 Heterogeneous file optimization Mathew James Dickson 2025-08-12
11562001 Reliable hierarchical storage management with data synchronization Spencer Alan Bishop, Fenghua YUAN, Kashif Hasan, Jason Daniel Shay 2023-01-24 $221,394,000
11113312 Reliable hierarchical storage management with data synchronization Spencer Alan Bishop, Fenghua YUAN, Kashif Hasan, Jason Daniel Shay 2021-09-07 $230,668,000
10581966 Cloud services integrated backup and restore Giridharan Kasirala Ramachandraiah, Sriram Sampath, Manoj K. Valiyaparambil, Abhinav Srivastava 2020-03-03 $64,161,000
10394757 Scalable chunk store for data deduplication Chun Ho Cheung, Paul Adrian Oltean, Abhishek Gupta, James Robert Benton, Ronakkumar N. Desai 2019-08-27 $69,371,000
10216759 Heterogeneous file optimization Mathew James Dickson 2019-02-26 $52,330,000
10180943 Granular partial recall of deduplicated files Ping Xie, Chun Ho Cheung, Kashif Hasan, Abhishek Gupta, Daniel Hefenbrock 2019-01-15 $94,346,000
10073854 Data deduplication in a virtualization environment Paul Adrian Oltean, Cristian G. Teodorescu, Mathew James Dickson 2018-09-11 $66,069,000
10019460 Hosted file sync with direct access to hosted files James Robert Benton, Spencer Alan Bishop, Jason Daniel Shay, Michael S. Murstein 2018-07-10 $63,082,000
9823981 Backup and restore strategies for data deduplication Chun Ho Cheung, Paul Adrian Oltean, Mathew James Dickson 2017-11-21 $35,505,000
9785666 Using index partitioning and reconciliation for data deduplication Jin Li, Sudipta Sengupta, Ronakkumar N. Desai, Paul Adrian Oltean, James Robert Benton 2017-10-10 $29,796,000
9652466 Alternate data stream cache for file classification Clyde Law, Paul Adrian Oltean, Nir Ben-Zvi, Matthias H. Wollnik 2017-05-16 $30,274,000
9529807 Creating host-level application-consistent backups of virtual machines Michael L. Michael, William L. Scheidel, Paul Brandon Luber, Paul Adrian Oltean 2016-12-27 $44,288,000
9495552 Integrated data deduplication and encryption Ahmed El-Shimi, Paul Adrian Oltean, Sudipta Sengupta, Jin Li, Roy Peter D'Souza +2 more 2016-11-15 $54,363,000
9342244 Data deduplication in a virtualization environment Paul Adrian Oltean, Cristian G. Teodorescu, Mathew James Dickson 2016-05-17 $38,879,000
9152502 Data error detection and correction using hash values Kashif Hasan, Paul Adrian Oltean, James Robert Benton, Chun Ho Cheung, Ahmed El-Shimi 2015-10-06 $38,348,000
9110936 Using index partitioning and reconciliation for data deduplication Jin Li, Sudipta Sengupta, Ronakkumar N. Desai, Paul Adrian Oltean, James Robert Benton 2015-08-18 $29,234,000
9081732 Recovery of a computer that includes virtual disks Abhinav Srivastava, Jingbo Wu, Dinesh Haridas 2015-07-14 $44,931,000
9038168 Controlling resource access based on resource properties Nir Ben-Zvi, Raja Pazhanivel Perumal, Anders Samuelsson, Jeffrey B. Hamblin, Ziquan Li +3 more 2015-05-19 $44,188,000
8990171 Optimization of a partially deduplicated file Kashif Hasan, Paul Adrian Oltean, James Robert Benton, Chun Ho Cheung, Abhishek Gupta 2015-03-24 $16,695,000
8959293 Data deduplication in a virtualization environment Paul Adrian Oltean, Cristian G. Teodorescu, Mathew James Dickson 2015-02-17 $31,357,000
8918375 Content aware chunking for achieving an improved chunk size distribution Jin Li, Sudipta Sengupta, Sanjeev Mehrotra, Paul Adrian Oltean 2014-12-23 $35,011,000
8805837 Alternate data stream cache for file classification Clyde Law, Paul Adrian Oltean, Nir Ben-Zvi, Matthias H. Wollnik 2014-08-12 $19,073,000
8645335 Partial recall of deduplicated files Abhishek Gupta, Chun Ho Cheung, James Robert Benton, Joerg-Thomas Pfenning 2014-02-04 $20,363,000
8380681 Extensible pipeline for data deduplication Paul Adrian Oltean, Ahmed El-Shimi, James Robert Benton 2013-02-19 $10,297,000