Growing community of inventors

Wayland, MA, United States of America

Norton Greenfeld

Average Co-Inventor Count = 3.75

ph-index = 2

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 = 1,077

Norton GreenfeldAndrew Egendorf (2 patents)Norton GreenfeldEugene Pettinelli (2 patents)Norton GreenfeldDarlene Drutman (1 patent)Norton GreenfeldCharles Drutman (1 patent)Norton GreenfeldNorton Greenfeld (2 patents)Andrew EgendorfAndrew Egendorf (24 patents)Eugene PettinelliEugene Pettinelli (4 patents)Darlene DrutmanDarlene Drutman (1 patent)Charles DrutmanCharles Drutman (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. At&t Intellectual Property I, LP (1 from 16,488 patents)

2. Rovingradar, Inc. (1 from 1 patent)


2 patents:

1. 9348911 - Method for searching from a plurality of data sources

2. 6618593 - Location dependent user matching system

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idiyas.com
as of
12/19/2025
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