SP

Sergei Perfilov

PA Paraccel: 7 patents #3 of 19Top 20%
AC Actian: 2 patents #2 of 29Top 7%
HP HP: 1 patents #8,774 of 16,619Top 55%
Overall (All Time): #507,216 of 4,157,543Top 15%
10
Patents All Time

Issued Patents All Time

Showing 1–10 of 10 patents

Patent #TitleCo-InventorsDate
10394807 Rewrite constraints for database queries William J. McKenna, Richard L. Cole, Yijou Chen, Aman Sinha, Eugene Szedenits, Jr. 2019-08-27
10268638 Limiting plan choice for database queries using plan constraints William J. McKenna, Richard L. Cole, Yijou Chen, Aman Sinha, Eugene Szedenits, Jr. 2019-04-23
9946750 Estimating statistics for generating execution plans for database queries Richard L. Cole 2018-04-17
9767150 System and method for processing database queries Richard L. Cole, Yijou Chen, William J. McKenna, Aman Sinha, Eugene Szedenits, Jr. 2017-09-19
9665619 Optimizing database queries using subquery composition Richard L. Cole, Yijou Chen, William J. McKenna, Aman Sinha, Eugene Szedenits, Jr. 2017-05-30
9582539 Optimizing database queries using reusable subqueries Richard L. Cole, Yijou Chen, William J. McKenna, Aman Sinha, Eugene Szedenits, Jr. 2017-02-28
9183254 Optimizing database queries using subquery composition Richard L. Cole, Yijou Chen, William J. McKenna, Aman Sinha, Eugene Szedenits, Jr. 2015-11-10
8510291 System and method for processing database queries Richard L. Cole, Yijou Chen, William J. McKenna, Aman Sinha, Eugene Szedenits, Jr. 2013-08-13
8244715 System and method for processing database queries Richard L. Cole, Yijou Chen, William J. McKenna, Aman Sinha, Eugene Szedenits, Jr. 2012-08-14
7512600 Use of multi-join operator and rules as framework for join tree processing in database systems Awny K. Al-Omari, Kashif A. Siddiqui 2009-03-31