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Top 20 Key Players companies in ExpressCard
by Highest Patent Value in the China in 2021

The ExpressCard top 20 is Discovery PatSnap’ annual ranking of the top 20 Highest Patent Value ExpressCard 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.
ExpressCard, initially called NEWCARD, is an interface to connect peripheral devices to a computer, usually a laptop computer. The ExpressCard technical standard specifies the design of slots built into the computer and of expansion cards to insert in the slots. The cards contain electronic circuits and sometimes connectors for external devices. The ExpressCard standard replaces the PC Card (also known as PCMCIA) standards.
#
Company Name
Region
Tech Topics
Total
1
Avg patent value: 580,000
2
Avg patent value: 230,000
3
Avg patent value: 140,000
4
Avg patent value: 73,000
5
Avg patent value: 3,500
6
Avg patent value: 3,400
7
Photovoltaics,Electronic product,Computer hardware,
...[+2]
Avg patent value: 3,400
8
Avg patent value: 3,400
9
Avg patent value: 3,400
10
Shenzhen KTC Commercial Display Technology Co., Ltd.
Avg patent value: 3,400
11
Avg patent value: 0
12
Avg patent value: 0
13
Avg patent value: 0
14
Avg patent value: 0
15
Avg patent value: 0
16
Avg patent value: 0
17
Avg patent value: 0
18
Avg patent value: 0
19
Avg patent value: 0
20
Avg patent value: 0
Page generation time: Jul 22 2025