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Top 20 Key Players companies in Esophageal sphincter
by Most Patent Citation in the United States in 2021

The Esophageal sphincter top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Citation Esophageal sphincter 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.
Esophageal sphincter. A circular band of muscle that closes the last few centimeters of the esophagus and prevents the backward flow of stomach contents. sphincter. a circular muscle that constricts a passage or closes a natural orifice. When relaxed, a sphincter allows materials to pass through the opening. When contracted, it closes the opening.
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Company Name
Region
Tech Topics
Total
1
patent citation: 1,982
2
patent citation: 1,963
3
patent citation: 523
4
Denervation,Medicine,Health care,
...[+2]
patent citation: 477
5
patent citation: 463
6
Medical equipment,Cryotherapy,Health care,
...[+2]
patent citation: 437
7
patent citation: 332
8
Medical equipment,Sphincter,Health care,
...[+2]
patent citation: 320
9
patent citation: 269
10
patent citation: 226
11
patent citation: 99
12
patent citation: 79
13
Medical equipment,Transoral incisionless fundoplication,Health care,
...[+2]
patent citation: 72
14
patent citation: 46
15
Medical equipment,Health care,Obesity,
...[+2]
patent citation: 44
16
Medical equipment,Health care
patent citation: 24
17
Tomography,Medical equipment,Health care,
...[+2]
patent citation: 23
18
patent citation: 11
19
Health care
patent citation: 10
20
Medical equipment,Catheter,Health care,
...[+2]
patent citation: 6
Page generation time: Jul 20 2025