Inventor · disambiguated record
Sergei Perfilov
Also filed as: PERFILOV SERGEI
10 granted patents·184 citations·filing 2005–2015
89Inventor score
Technology areasG06F
Top patents by PatentIndex Score
10 records- 0197US9183254B1Optimizing database queries using subquery compositionCOLE RICHARD L·Filed 2013·Granted Nov 10, 2015·101 cites·16 claims
- 0295US9665619B1Optimizing database queries using subquery compositionACTIAN CORP·Filed 2015·Granted May 30, 2017·17 cites·20 claims
- 0393US9582539B1Optimizing database queries using reusable subqueriesPARACCEL INC·Filed 2013·Granted Feb 28, 2017·22 cites·20 claims
- 0491US8244715B2System and method for processing database queriesCOLE RICHARD L·Filed 2010·Granted Aug 14, 2012·15 cites·17 claims
- 0586US7512600B2Use of multi-join operator and rules as framework for join tree processing in database systemsHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Mar 31, 2009·20 cites·19 claims
- 0681US8510291B2System and method for processing database queriesCOLE RICHARD L·Filed 2012·Granted Aug 13, 2013·5 cites·21 claims
- 0774US9946750B2Estimating statistics for generating execution plans for database queriesPARACCEL LLC·Filed 2014·Granted Apr 17, 2018·4 cites·20 claims
- 0855US9767150B2System and method for processing database queriesPARACCEL INC·Filed 2013·Granted Sep 19, 2017·0 cites·26 claims
- 0948US10394807B2Rewrite constraints for database queriesPARACCEL LLC·Filed 2014·Granted Aug 27, 2019·0 cites·19 claims
- 1047US10268638B2Limiting plan choice for database queries using plan constraintsPARACCEL LLC·Filed 2014·Granted Apr 23, 2019·0 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →