Growing community of inventors

Chennai, India

Alexey Lef

Average Co-Inventor Count = 2.84

ph-index = 7

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 409

Alexey LefCharles A Ballaro (10 patents)Alexey LefDavid Frink (5 patents)Alexey LefRonald William Angerer (4 patents)Alexey LefNatalia Potochniak (2 patents)Alexey LefLisa Fleck (1 patent)Alexey LefBlake E Ellavsky (1 patent)Alexey LefPhilip J Sabino (1 patent)Alexey LefMark A Pugh (1 patent)Alexey LefAlexey Lef (11 patents)Charles A BallaroCharles A Ballaro (13 patents)David FrinkDavid Frink (5 patents)Ronald William AngererRonald William Angerer (4 patents)Natalia PotochniakNatalia Potochniak (3 patents)Lisa FleckLisa Fleck (1 patent)Blake E EllavskyBlake E Ellavsky (1 patent)Philip J SabinoPhilip J Sabino (1 patent)Mark A PughMark A Pugh (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Sciquest, Inc. (11 from 16 patents)


11 patents:

1. 12299732 - User-specific rule-based database querying

2. 11663647 - User-specific rule-based database querying

3. 9245289 - Taxonomy and data structure for an electronic procurement system

4. 8930244 - Method, medium, and system for processing requisitions

5. 8694429 - Identifying and resolving discrepancies between purchase documents and invoices

6. 8359245 - Taxonomy and data structure for an electronic procurement system

7. 8285573 - Prioritizing orders/receipt of items between users

8. 8112317 - Providing substitute items when ordered item is unavailable

9. 8069096 - Multi-constituent attribution of a vendor's product catalog

10. 8065202 - Form management in an electronic procurement system

11. 6944613 - Method and system for creating a database and searching the database for allowing multiple customized views

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12/25/2025
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