Inventor · disambiguated record
Alexey Lef
Also filed as: LEF ALEXEY
11 granted patents·1 pending application·550 citations·filing 2002–2023
92Inventor score
Top patents by PatentIndex Score
12 records- 0197US8069096B1Multi-constituent attribution of a vendor's product catalogBALLARO CHARLES A·Filed 2008·Granted Nov 29, 2011·252 cites·37 claims
- 0294US8694429B1Identifying and resolving discrepancies between purchase documents and invoicesBALLARO CHARLES A·Filed 2008·Granted Apr 8, 2014·53 cites·28 claims
- 0393US8359245B1Taxonomy and data structure for an electronic procurement systemSCIQUEST INC·Filed 2008·Granted Jan 22, 2013·51 cites·37 claims
- 0492US8112317B1Providing substitute items when ordered item is unavailableBALLARO CHARLES A·Filed 2008·Granted Feb 7, 2012·61 cites·29 claims
- 0592US8065202B1Form management in an electronic procurement systemBALLARO CHARLES A·Filed 2008·Granted Nov 22, 2011·58 cites·16 claims
- 0690US8285573B1Prioritizing orders/receipt of items between usersBALLARO CHARLES A·Filed 2008·Granted Oct 9, 2012·40 cites·35 claims
- 0785US9245289B2Taxonomy and data structure for an electronic procurement systemSCIQUEST INC·Filed 2013·Granted Jan 26, 2016·7 cites·20 claims
- 0877US6944613B2Method and system for creating a database and searching the database for allowing multiple customized viewsSCIQUEST INC·Filed 2002·Granted Sep 13, 2005·19 cites·15 claims
- 0975US8930244B2Method, medium, and system for processing requisitionsBALLARO CHARLES A·Filed 2008·Granted Jan 6, 2015·9 cites·33 claims
- 1064US2014365348A1Identifying and Resolving Discrepancies Between Purchase Documents and InvoicesSCIQUEST INC·Filed 2014·Application pending·0 cites
- 1153US12299732B2User-specific rule-based database queryingSCIQUEST INC·Filed 2023·Granted May 13, 2025·0 cites·20 claims
- 1246US11663647B2User-specific rule-based database queryingSCIQUEST INC·Filed 2019·Granted May 30, 2023·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →