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Top 10 Key Players companies in Halo effect
by Most Literature Citation in the world in 2021

The Halo effect top 10 is Discovery PatSnap’ annual ranking of the top 10 Most Literature Citation Halo effect Key Players in the world. 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.
Halo effect (sometimes called the halo error) is the tendency for positive impressions of a person, company, brand or product in one area to positively influence one's opinion or feelings in other areas. It is a type of cognitive bias and is the opposite of the horn effect.
#
Company Name
Region
Tech Topics
Total
1
Bayern, Germany
Basic research,Publishing,Market research,
...[+2]
Literature citation: 2,539
2
Lazio, Italy
Literature citation: 346
3
California, United States
Literature citation: 213
4
Genève, Switzerland
Particle physics,Member state
Literature citation: 161
5
RM, IT
Astroparticle physics,Nuclear physics
Literature citation: 113
6
Kent, United Kingdom
Mental health,Health care,Cell therapy,
...[+2]
Literature citation: 73
7
Barnet, Enfield & Haringey Mental Health NHS Trust
LO, GB
Literature citation: 73
8
Tokyo, Japan
Publishing
Literature citation: 32
9
Illinois, United States
Literature citation: 20
10
MI, US
Group practices,Health care,Hospitality industry
Literature citation: 20
Page generation time: Sep 11 2025