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Top 50 Key Players companies in Am star
by Highest Patent Value in the world in 2020

The Am star top 50 is Discovery PatSnap’ annual ranking of the top 50 Highest Patent Value Am star Key Players in the world. Discovery has identified the top key players, startups & unicorns, fast-growings, news entrants in 2020, ranking from differnt perspectives, including patent filing intensity, academic research capability, news media heat. The company list is generated from various data types.
An Am star or metallic-line star is a type of chemically peculiar star of spectral type A whose spectrum has strong and often variable absorption lines of metals such as zinc, strontium, zirconium, and barium, and deficiencies of others, such as calcium and scandium. The original definition of an Am star was one in which the star shows "an apparent surface underabundance of Ca (and/or Sc) and/or an apparent overabundance of the Fe group and heavier elements".
#
Company Name
Region
Tech Topics
Total
1
Île-de-France, France
Avg patent value: 1.04 M
2
Switzerland
Avg patent value: 1.04 M
3
ZURICH, Switzerland
Avg patent value: 980,000
4
Avg patent value: 980,000
5
Avg patent value: 760,000
6
South Korea
Avg patent value: 280,000
7
South Korea
Customer expectation,Automotive engineering,Public transport,
...[+2]
Avg patent value: 280,000
8
Avg patent value: 94,000
9
Avg patent value: 41,000
10
Avg patent value: 41,000
11
Leisure satisfaction
Avg patent value: 40,000
12
Electronics,Publishing,Publication,
...[+2]
Avg patent value: 32,000
13
Avg patent value: 32,000
14
Electric vehicle,Power grid,Total asset,
...[+2]
Avg patent value: 25,000
15
Avg patent value: 25,000
16
Toothpaste,Dental floss,Fast-moving consumer goods,
...[+2]
Avg patent value: 15,000
17
Cardiovascular agent,Drug marketing,Asset management
Avg patent value: 15,000
18
Denmark
Avg patent value: 15,000
19
Fiber,Textile,Textile (markup language),
...[+2]
Avg patent value: 3,600
20
Avg patent value: 3,600
21
Avg patent value: 3,600
22
Avg patent value: 3,400
23
Avg patent value: 3,300
24
Avg patent value: 3,300
25
Avg patent value: 3,300
26
Avg patent value: 0
27
Avg patent value: 0
28
Avg patent value: 0
29
Avg patent value: 0
30
Avg patent value: 0
31
Avg patent value: 0
32
Avg patent value: 0
33
Avg patent value: 0
34
Digital media,Data visualization,Thermal paper,
...[+2]
Avg patent value: 0
35
Avg patent value: 0
36
Civil engineering,Construction engineering,Real estate development,
...[+2]
Avg patent value: 0
37
Microscope,Photography,Motion capture,
...[+2]
Avg patent value: 0
38
Avg patent value: 0
39
Avg patent value: 0
40
Avg patent value: 0
41
Avg patent value: 0
42
Avg patent value: 0
43
United Kingdom
Avg patent value: 0
44
Avg patent value: 0
45
Schaan, Liechtenstein
Avg patent value: 0
46
Avg patent value: 0
47
Avg patent value: 0
48
Avg patent value: 0
49
Avg patent value: 0
50
Avg patent value: 0
Page generation time: Jul 20 2025