Top CPC Classifications

Showing top 20 classifications by patent count from October 24, 2025 to October 24, 2026

Rank Assignees Code Name Patents Issued
1 H04L9/40 Network security protocols 9,210
2 A61B5/00 Medical measurements for diagnostic or identification purposes 7,647
3 G06N20/00 Machine learning 7,282
4 H04L5/00 Digital Information transmission arrangements 7,115
5 G06T7/00 Image analysis 6,216
6 H10W90/00 Package configurations 5,874
7 A61P35/00 Antineoplastic agents for therapeutic or medicinal preparations 5,575
8 G06F3/01 Human/computer interaction arrangements 4,938
9 A61K9/00 Medicinal preparations characterised by special physical form 4,845
10 G06T2207/20081 Algorithms for training image processing systems 4,512
11 G06V10/82 Video processing using neural networks 4,351
12 G06F3/06 Electronic data storage arrangements 4,286
13 H04L9/32 including means for verifying the identity or authority of a user of the system; or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials 4,065
14 G06T2207/20084 Artificial neural networks [ANN] 3,914
15 G06N3/08 Learning methods for artificial neural networks 3,765
16 H04N19/176 the region being a block, e.g. a macroblock 3,733
17 H10D30/01 Manufacture of inorganic solid state field-effect transistors 3,657
18 G06F21/62 Protecting access to data via a platform, e.g. using keys or access control rules 3,645
19 H01M10/0525 Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries 3,616
20 H10D62/10 Shapes, relative sizes or dispositions of the regions of the semiconductor bodies; Shapes of the semiconductor bodies 3,502