Perfilov; Sergei

Patent Applications and Registrations

Patent applications and USPTO patent grants for Perfilov; Sergei.The latest application filed is for "estimating statistics for generating execution plans for database queries".

Company Profile

2.12.7

Perfilov; Sergei - San Jose CA
Perfilov; Sergei - Sunnyvale CA
Perfilov; Sergei - Cupertino CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Rewrite constraints for database queries Grant 10,394,807 - McKenna , et al. A	2019-08-27
Limiting plan choice for database queries using plan constraints Grant 10,268,638 - McKenna , et al.	2019-04-23
Estimating statistics for generating execution plans for database queries Grant 9,946,750 - Cole , et al. April 17, 2	2018-04-17
System and method for processing database queries Grant 9,767,150 - Cole , et al. September 19, 2	2017-09-19
Optimizing database queries using subquery composition Grant 9,665,619 - Cole , et al. May 30, 2	2017-05-30
Optimizing database queries using reusable subqueries Grant 9,582,539 - Cole , et al. February 28, 2	2017-02-28
Optimizing database queries using subquery composition Grant 9,183,254 - Cole , et al. November 10, 2	2015-11-10
Estimating Statistics for Generating Execution Plans for Database Queries App 20150154255 - Cole; Richard L. ; et al.	2015-06-04
Rewrite Constraints For Database Queries App 20150149436 - McKenna; William J. ; et al.	2015-05-28
Limiting Plan Choices For Database Queries Using Plan Constraints App 20150149435 - McKenna; William J. ; et al.	2015-05-28
System and Method for Processing Database Queries App 20140089291 - Cole; Richard L. ; et al.	2014-03-27
System and method for processing database queries Grant 8,510,291 - Cole , et al. August 13, 2	2013-08-13
System And Method For Processing Database Queries App 20120278307 - COLE; RICHARD L. ; et al.	2012-11-01
System and method for processing database queries Grant 8,244,715 - Cole , et al. August 14, 2	2012-08-14
System And Method For Processing Database Queries App 20110035368 - Cole; Richard L. ; et al.	2011-02-10
Use of multi-join operator and rules as framework for join tree processing in database systems Grant 7,512,600 - Al-Omari , et al. March 31, 2	2009-03-31
Use of multi-join operator and rules as framework for join tree processing in database systems App 20060282423 - Al-Omari; Awny K. ; et al.	2006-12-14

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