Viktor Leis — 21 Patents at Salesforce

Viktor Leis has been granted 21 US patents while listed as an inventor at Salesforce. The first was granted in 2018 and the most recent in June 2025. Viktor Leis ranks #201,324 of 4,157,543 US inventors in our database (top 4.8%). Patent records list Viktor Leis in Munich, DE.

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
12339882	Adaptive interpretation and compilation of database queries	Thomas Neumann, Alfons Kemper, Tobias Muehlbauer, Jan Finis	2025-06-24
11789988	Optimizing database query execution by extending the relational algebra to include non-standard join operators	Thomas Neumann, Alfons Kemper, Tobias Muehlbauer, Jan Finis	2023-10-17
11720561	Dynamic rebuilding of query execution trees and reselection of query execution operators	Michael Schreier, Thomas Neumann, Alfons Kemper, Tobias Muehlbauer, Jan Finis	2023-08-08
11704347	Adaptive interpretation and compilation of database queries	Thomas Neumann, Alfons Kemper, Tobias Muehlbauer, Jan Finis	2023-07-18
11514048	Computing domain cardinality estimates for optimizing database query execution	Sebastian Hofstetter, Moritz Kaufmann, Thomas Neumann, Alfons Kemper, Tobias Muehlbauer +2 more	2022-11-29
11301469	Dynamic rebuilding of query execution trees and reselection of query execution operators	Michael Schreier, Thomas Neumann, Alfons Kemper, Tobias Muehlbauer, Jan Finis	2022-04-12
11211943	Hybrid comparison for unicode text strings consisting primarily of ASCII characters	Thomas Neumann, Alfons Kemper	2021-12-28
11080260	Concurrent reads and inserts into a data structure without latching or waiting by readers	Ronald J. Barber, Guy M. Lohman, Vijayshankar Raman, Richard S. Sidle	2021-08-03	$4,187,000
11068520	Optimizing database query execution by extending the relational algebra to include non-standard join operators	Thomas Neumann, Alfons Kemper, Tobias Muehlbauer, Jan Finis	2021-07-20
11055331	Adaptive interpretation and compilation of database queries	Thomas Neumann, Alfons Kemper, Tobias Muehlbauer, Jan Finis	2021-07-06
10831736	Fast multi-tier indexing supporting dynamic update	Ronald J. Barber, Guy M. Lohman, Vijayshankar Raman, Richard S. Sidle	2020-11-10	$848,000
10824625	Computing domain cardinality estimates for optimizing database query execution	Sebastian Hofstetter, Moritz Kaufmann, Thomas Neumann, Alfons Kemper, Tobias Muehlbauer +2 more	2020-11-03
10795887	Dynamic rebuilding of query execution trees and reselection of query execution operators	Michael Schreier, Thomas Neumann, Alfons Kemper, Tobias Muehlbauer, Jan Finis	2020-10-06
10789416	Hybrid comparison for unicode text strings consisting primarily of ASCII characters	Thomas Neumann, Alfons Kemper	2020-09-29
10642832	Reducing the domain of a subquery by retrieving constraints from the outer query	Thomas Neumann, Alfons Kemper	2020-05-05
10540425	Hybrid comparison for unicode text strings consisting primarily of ASCII characters	Thomas Neumann, Alfons Kemper	2020-01-21
10521430	Dynamic selection of query execution operators	Michael Schreier, Thomas Neumann, Alfons Kemper, Tobias Muehlbauer, Jan Finis	2019-12-31
10325010	Hybrid approach to collating unicode text strings consisting primarily of ASCII characters	Thomas Neumann, Alfons Kemper	2019-06-18	$151,142,000
10108653	Concurrent reads and inserts into a data structure without latching or waiting by readers	Ronald J. Barber, Guy M. Lohman, Vijayshankar Raman, Richard S. Sidle	2018-10-23	$2,704,000
10089281	Hybrid comparison for unicode text strings consisting primarily of ASCII characters	Thomas Neumann, Alfons Kemper	2018-10-02	$24,630,000
10089282	Hybrid approach to collating unicode text strings consisting primarily of ASCII characters	Thomas Neumann, Alfons Kemper	2018-10-02	$24,630,000

Viktor Leis — 21 Patents

Issued Patents All Time

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