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Top 10 Key Players companies in Expansive
by Most Literature Citation in the United States in 2018

The Expansive top 10 is Discovery PatSnap’ annual ranking of the top 10 Most Literature Citation Expansive Key Players in the United States. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2018, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
In mathematics, the notion of expansivity formalizes the notion of points moving away from one another under the action of an iterated function. The idea of expansivity is fairly rigid, as the definition of positive expansivity, below, as well as the Schwarz-Ahlfors-Pick theorem demonstrate.
#
Company Name
Region
Tech Topics
Total
1
Health care,Mitral valve surgery,Health equity,
...[+2]
Literature citation: 327
2
Albert Einstein Medical Center
Literature citation: 111
3
Human services,Health care,Well-being,
...[+2]
Literature citation: 78
4
Haskins Laboratories, Inc.
Writing system,Phonemic awareness,Learning to read,
...[+2]
Literature citation: 54
5
United States Department of The Army
Literature citation: 45
6
Medical school,Clinical research,Health care,
...[+2]
Literature citation: 17
7
Public opinion,Health care,Chemistry,
...[+2]
Literature citation: 8
8
Literature citation: 7
9
International Facility Management Association
Facility management,Center of excellence
Literature citation: 3
10
Literature citation: 0
Page generation time: Aug 11 2025