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Top 50 Key Players companies in Capacitor
by Most Patent Filings in the United States in 2021

The Capacitor top 50 is Discovery PatSnap’ annual ranking of the top 50 Most Patent Filings Capacitor 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.
A capacitor is a device that stores electrical energy in an electric field. It is a passive electronic component with two terminals. The effect of a capacitor is known as capacitance. While some capacitance exists between any two electrical conductors in proximity in a circuit, a capacitor is a component designed to add capacitance to a circuit. The capacitor was originally known as a condenser or condensator. The original name is still widely used in many languages, but not commonly in English.
#
Company Name
Region
Tech Topics
Total
1
Patent: 5,430
2
Patent: 4,045
3
Shopping mall,Truck
Patent: 3,505
4
Patent: 3,400
5
Patent: 3,165
6
Patent: 2,889
7
Patent: 2,191
8
Patent: 2,030
9
Patent: 1,838
10
Patent: 1,553
11
Electronics,Fixture
Patent: 1,503
12
Patent: 1,222
13
Patent: 1,168
14
Patent: 1,090
15
Patent: 1,009
16
Patent: 872
17
Patent: 866
18
Patent: 834
19
Patent: 827
20
Aerospace,Electronics,Market research,
...[+2]
Patent: 777
21
Patent: 777
22
Patent: 691
23
Patent: 664
24
Patent: 653
25
Patent: 614
26
Patent: 581
27
Patent: 580
28
Patent: 562
29
Patent: 485
30
Missile,National security,Aerospace,
...[+2]
Patent: 480
31
Medical equipment,Health care,Heart Rhythm,
...[+2]
Patent: 386
32
Patent: 386
33
Aerospace,National security
Patent: 379
34
Patent: 377
35
Patent: 358
36
Patent: 358
37
Patent: 357
38
Patent: 345
39
Patent: 344
40
Patent: 329
41
Patent: 327
42
Patent: 319
43
Patent: 316
44
Patent: 307
45
Electronic systems,Aerospace,National security
Patent: 301
46
3D printing,Photography,Digital media,
...[+2]
Patent: 293
47
Patent: 291
48
Patent: 285
49
Health care
Patent: 280
50
Patent: 280
Page generation time: May 10 2025