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

The Determinant top 20 is Discovery PatSnap’ annual ranking of the top 20 Most Patent Citation Determinant 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.
In linear algebra, the determinant is a scalar value that can be computed from the elements of a square matrix and encodes certain properties of the linear transformation described by the matrix. The determinant of a matrix A is denoted det(A), det A, or |A|. Geometrically, it can be viewed as the volume scaling factor of the linear transformation described by the matrix. This is also the signed volume of the n-dimensional parallelepiped spanned by the column or row vectors of the matrix. The determinant is positive or negative according to whether the linear mapping preserves or reverses the orientation of n-space.
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Company Name
Region
Tech Topics
Total
1
patent citation: 40
2
patent citation: 23
3
patent citation: 15
4
Health care
patent citation: 15
5
patent citation: 14
6
patent citation: 13
7
patent citation: 13
8
patent citation: 12
9
Medicine,Health care,Active immunotherapy,
...[+2]
patent citation: 10
10
patent citation: 10
11
patent citation: 10
12
patent citation: 6
13
patent citation: 5
14
Architecture,Turnkey,Medical equipment,
...[+2]
patent citation: 5
15
patent citation: 5
16
patent citation: 5
17
Aerospace,National security,Space launch,
...[+2]
patent citation: 4
18
patent citation: 4
19
patent citation: 4
20
Electric vehicle,Power grid,Total asset,
...[+2]
patent citation: 3
Page generation time: May 14 2025