Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Caleb E. Welton — 4 Patents in 2021

ECEmc Ip Holding Company: 2 patents #353 of 1,564Top 25%
PSPivotal Software: 2 patents #2 of 66Top 4%
Foster City, CA: #48 of 505 inventorsTop 10%
California: #5,616 of 66,859 inventorsTop 9%
Overall (2021): #52,897 of 548,734Top 10%
4 Patents 2021

Issued Patents 2021

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11164092 Parallel time series analysis Hai Qian, Rahul Iyer, Shengwen Yang, Xixuan Feng 2021-11-02
11120022 Processing a database query using a shared metadata store Hitoshi Harada, Jeffrey Ira Cohen, Lei Chang, Radhika Reddy, Tao Ma +1 more 2021-09-14
10963426 Method of providing access controls and permissions over relational data stored in a hadoop file system Hitoshi Harada, Jeffrey Ira Cohen, Lei Chang, Radhika Reddy, Tao Ma +1 more 2021-03-30
10922053 Random number generator in a parallel processing database Hitoshi Harada, Florian Schoppmann 2021-02-16