Inventor · Munich, DE

Viktor Leis

21Patents
6h-index
12Co-inventors
58Inventor score

Filing activity: Mar 27, 2015 → Oct 17, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US10642832B1 Reducing the domain of a subquery by retrieving constraints from the outer query Electricity 22 Active
US10089281B1 Hybrid comparison for unicode text strings consisting primarily of ASCII characters Electricity 14 Active
US10089282B1 Hybrid approach to collating unicode text strings consisting primarily of ASCII characters Electricity 12 Active
US10325010B1 Hybrid approach to collating unicode text strings consisting primarily of ASCII characters Electricity 10 Active
US10540425B2 Hybrid comparison for unicode text strings consisting primarily of ASCII characters Electricity 8 Active
US10521430B1 Dynamic selection of query execution operators Physics 6 Active
US11068520B1 Optimizing database query execution by extending the relational algebra to include non-standard join operators Physics 5 Active
US11055331B1 Adaptive interpretation and compilation of database queries Physics 4 Active
US10789416B2 Hybrid comparison for unicode text strings consisting primarily of ASCII characters Electricity 4 Active
US10824625B1 Computing domain cardinality estimates for optimizing database query execution Physics 3 Active
US10795887B1 Dynamic rebuilding of query execution trees and reselection of query execution operators Physics 2 Active
US10108653B2 Concurrent reads and inserts into a data structure without latching or waiting by readers Physics 1 Active
US12339882B2 Adaptive interpretation and compilation of database queries Physics 0 Active
US11080260B2 Concurrent reads and inserts into a data structure without latching or waiting by readers Physics 0 Active
US11704347B2 Adaptive interpretation and compilation of database queries Physics 0 Active
US10831736B2 Fast multi-tier indexing supporting dynamic update Physics 0 Active
US11514048B2 Computing domain cardinality estimates for optimizing database query execution Physics 0 Active
US11720561B2 Dynamic rebuilding of query execution trees and reselection of query execution operators Physics 0 Active
US11211943B2 Hybrid comparison for unicode text strings consisting primarily of ASCII characters Electricity 0 Active
US11789988B2 Optimizing database query execution by extending the relational algebra to include non-standard join operators Physics 0 Active
US11301469B2 Dynamic rebuilding of query execution trees and reselection of query execution operators Physics 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.