Inventor · disambiguated record
Viktor Leis
Also filed as: LEIS VIKTOR
21 granted patents·118 citations·filing 2015–2023
94Inventor score
Top patents by PatentIndex Score
21 records- 0198US10642832B1Reducing the domain of a subquery by retrieving constraints from the outer queryTABLEAU SOFTWARE INC·Filed 2017·Granted May 5, 2020·29 cites·18 claims
- 0296US10089281B1Hybrid comparison for unicode text strings consisting primarily of ASCII charactersTABLEAU SOFTWARE INC·Filed 2017·Granted Oct 2, 2018·16 cites·20 claims
- 0396US10089282B1Hybrid approach to collating unicode text strings consisting primarily of ASCII charactersTABLEAU SOFTWARE INC·Filed 2018·Granted Oct 2, 2018·14 cites·20 claims
- 0495US10540425B2Hybrid comparison for unicode text strings consisting primarily of ASCII charactersTABLEAU SOFTWARE INC·Filed 2019·Granted Jan 21, 2020·9 cites·20 claims
- 0595US10325010B1Hybrid approach to collating unicode text strings consisting primarily of ASCII charactersTABLEAU SOFTWARE INC·Filed 2018·Granted Jun 18, 2019·11 cites·20 claims
- 0693US11068520B1Optimizing database query execution by extending the relational algebra to include non-standard join operatorsTABLEAU SOFTWARE INC·Filed 2018·Granted Jul 20, 2021·8 cites·20 claims
- 0791US11055331B1Adaptive interpretation and compilation of database queriesTABLEAU SOFTWARE INC·Filed 2017·Granted Jul 6, 2021·6 cites·20 claims
- 0891US10521430B1Dynamic selection of query execution operatorsTABLEAU SOFTWARE INC·Filed 2017·Granted Dec 31, 2019·10 cites·20 claims
- 0989US10789416B2Hybrid comparison for unicode text strings consisting primarily of ASCII charactersTABLEAU SOFTWARE INC·Filed 2019·Granted Sep 29, 2020·4 cites·20 claims
- 1085US10824625B1Computing domain cardinality estimates for optimizing database query executionTABLEAU SOFTWARE INC·Filed 2018·Granted Nov 3, 2020·7 cites·20 claims
- 1181US12339882B2Adaptive interpretation and compilation of database queriesTABLEAU SOFTWARE INC·Filed 2023·Granted Jun 24, 2025·0 cites·20 claims
- 1279US10795887B1Dynamic rebuilding of query execution trees and reselection of query execution operatorsTABLEAU SOFTWARE INC·Filed 2017·Granted Oct 6, 2020·2 cites·20 claims
- 1377US10108653B2Concurrent reads and inserts into a data structure without latching or waiting by readersIBM·Filed 2015·Granted Oct 23, 2018·2 cites·20 claims
- 1472US11789988B2Optimizing database query execution by extending the relational algebra to include non-standard join operatorsTABLEAU SOFTWARE INC·Filed 2021·Granted Oct 17, 2023·0 cites·20 claims
- 1572US11704347B2Adaptive interpretation and compilation of database queriesTABLEAU SOFTWARE INC·Filed 2021·Granted Jul 18, 2023·0 cites·20 claims
- 1672US11211943B2Hybrid comparison for unicode text strings consisting primarily of ASCII charactersTABLEAU SOFTWARE INC·Filed 2020·Granted Dec 28, 2021·0 cites·20 claims
- 1770US11720561B2Dynamic rebuilding of query execution trees and reselection of query execution operatorsTABLEAU SOFTWARE INC·Filed 2022·Granted Aug 8, 2023·0 cites·20 claims
- 1865US11301469B2Dynamic rebuilding of query execution trees and reselection of query execution operatorsTABLEAU SOFTWARE INC·Filed 2020·Granted Apr 12, 2022·0 cites·20 claims
- 1963US11514048B2Computing domain cardinality estimates for optimizing database query executionTABLEAU SOFTWARE INC·Filed 2020·Granted Nov 29, 2022·0 cites·20 claims
- 2060US11080260B2Concurrent reads and inserts into a data structure without latching or waiting by readersIBM·Filed 2018·Granted Aug 3, 2021·0 cites·20 claims
- 2138US10831736B2Fast multi-tier indexing supporting dynamic updateIBM·Filed 2015·Granted Nov 10, 2020·0 cites·14 claims
Join the waitlist — get patent alerts
Get an alert when Viktor Leis files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →