Ranking Year:
# | Company Name | Region | Tech Topics | Total |
|---|
1 | Health care,Mitral valve surgery,Health equity, ...[+2] | Literature: 4 | ||
2 | Human services,Health care,Well-being, ...[+2] | Literature: 2 | ||
3 | Literature: 2 | |||
4 |  | Literature: 2 | ||
5 | Literature: 1 |
Top 5 Key Players companies in Expansive
by Most Research Publications in the United States in 2021
The Expansive top 5 is Discovery PatSnap’ annual ranking of the top 5 Most Research Publications Expansive Key Players in the United States. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2021, 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.
Page generation time:
Aug 11 2025