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Top 20 Key Players companies in Capacitor
by Most Patent Citation in the China in 2021

The Capacitor top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Citation Capacitor Key Players in the China. 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.
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Company Name
Region
Tech Topics
Total
1
Taiwan Semiconductor Manufacturing Co., Ltd.
Semiconductor,Electronics,Product design,
...[+2]
patent citation: 22,089
2
United Microelectronics Corp.
Semiconductor,Electronics,CMOS,
...[+2]
patent citation: 7,637
3
State Grid Corp. of China
Electric vehicle,Power grid,Total asset,
...[+2]
patent citation: 5,979
4
BOE Technology Group Co., Ltd.
Production line,Electronic visual display,Semiconductor,
...[+2]
patent citation: 5,240
5
Boe Innovation Investment Co. Ltd.
Intelligent interface,Semiconductor,Internet of Things,
...[+2]
patent citation: 5,240
6
Hewlett-Packard Development Co.
Personal computer,Computer hardware,Graphics processing unit,
...[+2]
patent citation: 3,572
7
Innolux Corp.
Electronics,Manufacturing engineering,Electronic visual display,
...[+2]
patent citation: 3,022
8
Delta Electronics, Inc.
Electronics,Automation,Semiconductor,
...[+2]
patent citation: 2,955
9
TCL China Star Optoelectronics Technology Co., Ltd.
Computer hardware,Liquid-crystal display,Electronics,
...[+2]
patent citation: 1,914
10
Hon Hai Precision Industry Co., Ltd.
Computer hardware,Electronics,Wireless connectivity,
...[+2]
patent citation: 1,830
11
Gogoro, Inc.
Electric vehicle,Smart city,Efficient energy use,
...[+2]
patent citation: 1,823
12
Astec International Ltd. (Hong Kong)
Power transmission,Electronics
patent citation: 1,803
13
Winbond Electronics Corp.
Flash memory,Electronics,Computer hardware,
...[+2]
patent citation: 1,731
14
Beijing Xiaomi Mobile Software Co., Ltd.
Software,Enterprise software
patent citation: 1,721
15
Nanya Technology Corp.
Semiconductor,Product design,Industrial engineering,
...[+2]
patent citation: 1,642
16
ProMOS Technologies, Inc.
Semiconductor,Double data rate,Electronic component,
...[+2]
patent citation: 1,441
17
MediaTek, Inc.
Semiconductor,Internet of Things,Wireless,
...[+2]
patent citation: 1,419
18
Vanguard International Semiconductor Corp.
Semiconductor,Integrated circuit,Electronic component,
...[+1]
patent citation: 1,403
19
Ocean's King Lighting Science & Technology Co., Ltd.
Flashlight,Fixture,Biology,
...[+2]
patent citation: 1,154
20
SYNergy ScienTech Corp.
Polymer,Electronics
patent citation: 1,131
Page generation time: Jun 06 2025