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Top 20 Key Players companies in Halo effect
by Most Patent Filings in the United States in 2019

The Halo effect top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Filings Halo effect Key Players in the United States. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2019, 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
Medical equipment,Health care,Optometry,
...[+2]
Patent: 45
2
Patent: 7
3
Patent: 7
4
Patent: 4
5
Patent: 4
6
Excimer laser,Fast-moving consumer goods,Health care,
...[+2]
Patent: 4
7
Patent: 3
8
Patent: 2
9
Patent: 2
10
Patent: 2
11
Patent: 2
12
Patent: 1
13
Patent: 1
14
National security,Aerospace,Network security,
...[+2]
Patent: 1
15
Aerospace,Interior product,In-flight entertainment,
...[+2]
Patent: 1
16
Patent: 1
17
Patent: 1
18
Shopping mall,sports equipment
Patent: 1
19
Patent: 1
20
Patent: 1
Page generation time: Sep 12 2025